{"product_id":"ajax-doorbell-black-smart-4mp-video-doorbell-with-ai","title":"Ajax DoorBell Black Smart 4MP Video Doorbell with AI - 66391.125.BL1","description":"\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003eAjax DoorBell Black\u003c\/strong\u003e\u003cspan\u003e is a smart 4 MP video doorbell with a wide 155° HDR camera, AI object recognition, a built-in PIR sensor and two-way audio. Connecting over Wi-Fi with Jeweller and Wings fallback when paired with an Ajax hub, it lets you see, hear and speak to visitors from the Ajax app, with footage stored on Ajax NVR or in the cloud.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch1\u003eAjax DoorBell Black Smart 4MP Video Doorbell with AI\u003c\/h1\u003e\n\u003cp\u003eThe \u003cstrong\u003eAjax DoorBell\u003c\/strong\u003e (model ADB.Y.W) is a smart video doorbell that combines a high-resolution HDR camera, a dedicated PIR motion sensor and two-way audio to give you complete awareness of who is at your door. When a visitor presses the button or motion is detected, you receive an instant notification and can see, hear and speak to them in real time through the Ajax app.\u003c\/p\u003e\n\u003cp\u003eDesigned for outdoor use with an IP54-rated housing, the DoorBell delivers clear video day and night and integrates with the wider Ajax ecosystem for recording and verification.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e4 MP HDR Camera with Wide View\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp\u003eA \u003cstrong\u003e4 MP camera\u003c\/strong\u003e (up to 2688 × 1520) with a wide \u003cstrong\u003e155° horizontal field of view\u003c\/strong\u003e captures the entire doorstep — from a visitor's face to packages on the ground. \u003cstrong\u003eHDR\u003c\/strong\u003e improves detail in scenes with both bright and dark areas, such as a sunlit doorway.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eAI Recognition and PIR Motion Detection\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp\u003eA dedicated \u003cstrong\u003ePIR sensor\u003c\/strong\u003e (120° horizontal, up to 4 m) detects approaching visitors, while on-board \u003cstrong\u003eAI recognition\u003c\/strong\u003e distinguishes people, vehicles and pets to deliver relevant alerts and reduce false notifications. Detection sensitivity is adjustable across three levels.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eTwo-Way Audio\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp\u003eBuilt-in microphone and speaker provide \u003cstrong\u003etwo-way audio\u003c\/strong\u003e with always-active noise suppression and echo cancellation, so conversations with visitors are clear and natural — almost like a phone call — directly from the Ajax app.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eClear Night Vision\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp\u003eA smart \u003cstrong\u003einfrared illuminator\u003c\/strong\u003e provides night vision up to 6 metres, automatically adjusting intensity to keep faces and detail visible in darkness without overexposure.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWi-Fi with Ajax Fallback\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp\u003eThe DoorBell connects primarily over \u003cstrong\u003eWi-Fi\u003c\/strong\u003e (2.4 GHz 802.11 b\/g\/n). When added to an Ajax hub, it can use the \u003cstrong\u003eJeweller and Wings\u003c\/strong\u003e protocols as backup communication channels, helping keep the doorbell operational even if Wi-Fi is temporarily unavailable.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWeatherproof Design with Battery Backup\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp\u003eRated \u003cstrong\u003eIP54\u003c\/strong\u003e and operating from −25°C to +60°C, the DoorBell withstands outdoor conditions. A built-in rechargeable battery provides short-term backup during power interruptions and heats the device in cold climates to protect performance and battery life.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eFlexible Storage\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp\u003eFootage can be stored on \u003cstrong\u003eAjax NVR\u003c\/strong\u003e or in \u003cstrong\u003eAjax Cloud Storage\u003c\/strong\u003e, allowing you to review recordings whenever needed from the Ajax app.\u003c\/p\u003e\n\u003ch1\u003eKEY BENEFITS\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eSee, hear and speak to visitors from the Ajax app\u003c\/li\u003e\n\u003cli\u003e4 MP HDR camera with wide 155° field of view\u003c\/li\u003e\n\u003cli\u003eAI recognition of people, vehicles and pets\u003c\/li\u003e\n\u003cli\u003eDedicated PIR sensor for reliable motion alerts\u003c\/li\u003e\n\u003cli\u003eClear two-way audio with noise and echo cancellation\u003c\/li\u003e\n\u003cli\u003eInfrared night vision up to 6 m\u003c\/li\u003e\n\u003cli\u003eWi-Fi with Jeweller and Wings fallback via Ajax hub\u003c\/li\u003e\n\u003cli\u003eWeatherproof IP54 housing for outdoor use\u003c\/li\u003e\n\u003cli\u003eBattery backup and cold-climate self-heating\u003c\/li\u003e\n\u003cli\u003eFootage stored on Ajax NVR or cloud\u003c\/li\u003e\n\u003cli\u003eAvailable in Black finish\u003c\/li\u003e\n\u003cli\u003eIdeal for homes and businesses\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch1\u003eKEY FEATURES\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eSmart video doorbell with AI\u003c\/li\u003e\n\u003cli\u003e4 MP CMOS camera, up to 2688 × 1520\u003c\/li\u003e\n\u003cli\u003e155° horizontal \/ 90° vertical field of view\u003c\/li\u003e\n\u003cli\u003eHDR imaging\u003c\/li\u003e\n\u003cli\u003eInfrared night vision up to 6 m\u003c\/li\u003e\n\u003cli\u003ePIR sensor 120° H, up to 4 m, 3 sensitivity levels\u003c\/li\u003e\n\u003cli\u003eAI detection: people, vehicles, pets\u003c\/li\u003e\n\u003cli\u003eTwo-way audio (G722) with noise\/echo cancellation\u003c\/li\u003e\n\u003cli\u003eWi-Fi 802.11 b\/g\/n 2.4 GHz\u003c\/li\u003e\n\u003cli\u003eJeweller and Wings fallback with Ajax hub\u003c\/li\u003e\n\u003cli\u003ePower 12–24 V⎓ or 16–24 V~\u003c\/li\u003e\n\u003cli\u003eBuilt-in Li-ion backup battery (600 mAh)\u003c\/li\u003e\n\u003cli\u003eIP54 protection rating\u003c\/li\u003e\n\u003cli\u003eOperating temperature −25°C to +60°C\u003c\/li\u003e\n\u003cli\u003eDimensions 145 × 47 × 34 mm\u003c\/li\u003e\n\u003cli\u003eJetSparrow encrypted video\u003c\/li\u003e\n\u003cli\u003eNVR and Ajax Cloud storage\u003c\/li\u003e\n\u003cli\u003eMultiple colour options\u003c\/li\u003e\n\u003cli\u003eIndoor and outdoor use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch1\u003eIDEAL FOR\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eFront doors and entrances\u003c\/li\u003e\n\u003cli\u003eHomes and apartments\u003c\/li\u003e\n\u003cli\u003eOffices and commercial premises\u003c\/li\u003e\n\u003cli\u003eRetail and reception entrances\u003c\/li\u003e\n\u003cli\u003eMonitoring deliveries and visitors\u003c\/li\u003e\n\u003cli\u003eRemote visitor communication\u003c\/li\u003e\n\u003cli\u003eAjax video and security systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch1\u003eNETWORK \u0026amp; AJAX INTEGRATION\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eConnects primarily via Wi-Fi (2.4 GHz)\u003c\/li\u003e\n\u003cli\u003eJeweller and Wings fallback when paired with an Ajax hub\u003c\/li\u003e\n\u003cli\u003eCompatible with Ajax Hub, Hub Plus, Hub 2 (2G\/4G), Hub 2 Plus, Hub Hybrid (2G\/4G)\u003c\/li\u003e\n\u003cli\u003eFootage stored on Ajax NVR or Ajax Cloud Storage\u003c\/li\u003e\n\u003cli\u003eManaged via Ajax mobile applications (iOS and Android)\u003c\/li\u003e\n\u003cli\u003eManaged via Ajax desktop applications (Windows and macOS)\u003c\/li\u003e\n\u003cli\u003eEncrypted JetSparrow video protocol\u003c\/li\u003e\n\u003cli\u003eTwo-way audio through the Ajax app\u003c\/li\u003e\n\u003cli\u003eSupports Ajax Cloud remote access\u003c\/li\u003e\n\u003cli\u003eSupports Over-the-Air (OTA) firmware updates\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAjax\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eDoorBell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eArticle Number\u003c\/td\u003e\n\u003ctd\u003e66391.125.BL1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDevice Model Code\u003c\/td\u003e\n\u003ctd\u003eADB.Y.W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eSmart Video Doorbell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCamera\u003c\/td\u003e\n\u003ctd\u003e4 MP CMOS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Resolution\u003c\/td\u003e\n\u003ctd\u003e2688 × 1520\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eField of View\u003c\/td\u003e\n\u003ctd\u003e155° H \/ 90° V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHDR\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNight Vision\u003c\/td\u003e\n\u003ctd\u003eInfrared up to 6 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePIR Sensor\u003c\/td\u003e\n\u003ctd\u003e120° H, up to 4 m, 3 sensitivity levels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAI Detection\u003c\/td\u003e\n\u003ctd\u003ePeople, Vehicles, Pets\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAudio\u003c\/td\u003e\n\u003ctd\u003eTwo-way (G722), noise \u0026amp; echo cancellation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWi-Fi\u003c\/td\u003e\n\u003ctd\u003e802.11 b\/g\/n, 2.4 GHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFallback Communication\u003c\/td\u003e\n\u003ctd\u003eJeweller + Wings (with Ajax hub)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e12–24 V⎓ or 16–24 V~, 50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e10 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackup Battery\u003c\/td\u003e\n\u003ctd\u003eLi-ion 600 mAh (short-term + self-heating)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection Rating\u003c\/td\u003e\n\u003ctd\u003eIP54\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e−25°C to +60°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Humidity\u003c\/td\u003e\n\u003ctd\u003eUp to 90%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e145 × 47 × 34 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e163 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage\u003c\/td\u003e\n\u003ctd\u003eAjax NVR \/ Ajax Cloud\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColour\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIndoor \/ Outdoor\u003c\/td\u003e\n\u003ctd\u003eIndoor and Outdoor Use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e24 Months\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\n\u003ch1\u003eFREQUENTLY ASKED QUESTIONS (FAQs)\u003c\/h1\u003e\n\u003ch3\u003eWhat is the Ajax DoorBell used for?\u003c\/h3\u003e\n\u003cp\u003eIt is a smart video doorbell that lets you see, hear and speak to visitors from the Ajax app. It combines a 4 MP HDR camera, a PIR motion sensor, AI recognition and two-way audio, with footage stored on Ajax NVR or in the cloud.\u003c\/p\u003e\n\u003ch3\u003eHow does it connect?\u003c\/h3\u003e\n\u003cp\u003eThe DoorBell connects primarily over Wi-Fi (2.4 GHz). When added to an Ajax hub, it can use the Jeweller and Wings protocols as backup channels to stay operational if Wi-Fi is temporarily unavailable.\u003c\/p\u003e\n\u003ch3\u003eDoes it need an Ajax hub?\u003c\/h3\u003e\n\u003cp\u003eNo — it works over Wi-Fi with the Ajax app. However, pairing it with an Ajax hub adds Jeweller\/Wings fallback communication and tighter integration with the wider Ajax system.\u003c\/p\u003e\n\u003ch3\u003eWhat can the AI detect?\u003c\/h3\u003e\n\u003cp\u003eThe built-in AI recognises people, vehicles and pets, and a dedicated PIR sensor detects motion up to 4 m, so you receive relevant alerts with fewer false notifications.\u003c\/p\u003e\n\u003ch3\u003eCan it see at night?\u003c\/h3\u003e\n\u003cp\u003eYes. A smart infrared illuminator provides night vision up to 6 m, automatically adjusting intensity to keep detail visible in darkness.\u003c\/p\u003e\n\u003ch3\u003eIs it weatherproof?\u003c\/h3\u003e\n\u003cp\u003eYes. It carries an IP54 rating and operates from −25°C to +60°C, and includes a self-heating battery for cold climates, making it suitable for outdoor installation.\u003c\/p\u003e\n\u003ch3\u003eWhere is footage stored?\u003c\/h3\u003e\n\u003cp\u003eRecordings can be stored on Ajax NVR or in Ajax Cloud Storage and reviewed at any time from the Ajax app.\u003c\/p\u003e\n\u003ch3\u003eWhat colours are available?\u003c\/h3\u003e\n\u003cp\u003eThis product (article 66391.125.BL1) is the Black version. It is also available in White, Grey and Graphite under separate article numbers.\u003c\/p\u003e\n","brand":"Ajax","offers":[{"title":"Default Title","offer_id":54284154700117,"sku":"66391.125.BL1","price":162.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0878\/2476\/1173\/files\/Gemini_Generated_Image_nkecdqnkecdqnkec.webp?v=1783350423","url":"https:\/\/cctvdirectuk.co.uk\/products\/ajax-doorbell-black-smart-4mp-video-doorbell-with-ai","provider":"CCTV DIRECT UK LTD","version":"1.0","type":"link"}