{"product_id":"ajax-doorbell-4mp-smart-video-doorbell-pir-ai-white-9na-116889-125-wh3","title":"Ajax DoorBell (4 MP) – Smart Video Doorbell with AI, Hardware PIR \u0026 Dual-Path Backup Link (White, 9NA)","description":"\u003ch4\u003eProduct Overview\u003c\/h4\u003e\n\u003cp id=\"p-rc_c04bba5ad3ed7560-39\"\u003e\u003cspan class=\"citation-163\"\u003eThe \u003c\/span\u003e\u003cb\u003e\u003cspan class=\"citation-163\"\u003eAjax DoorBell (4 MP)\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-163\"\u003e (SKU: \u003c\/span\u003e\u003cb\u003e\u003cspan class=\"citation-163\"\u003e116889.125.WH3\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-163 citation-end-163\"\u003e, 9NA region frequency) is a professional-grade wireless smart video doorbell engineered to provide complete visual control, access management, and intrusion deterrence at the front door.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003cspan class=\"citation-162 citation-end-162\"\u003eCombining an ultra-high-definition \u003c\/span\u003e\u003cspan class=\"math-inline\"\u003e4 MP\u003c\/span\u003e\u003cspan class=\"citation-161 citation-end-161\"\u003e (\u003c\/span\u003e\u003cspan class=\"math-inline\"\u003e2688 x 1520 px\u003c\/span\u003e\u003cspan class=\"citation-160\"\u003e)\u003c\/span\u003e\u003cspan class=\"citation-160 citation-end-160\"\u003e CMOS sensor with High Dynamic Range (HDR) and an ultra-wide \u003c\/span\u003e\u003cspan class=\"math-inline\"\u003e155°\u003c\/span\u003e\u003cspan class=\"citation-159\"\u003e horizontal field of view\u003c\/span\u003e\u003cspan class=\"citation-159 citation-end-159\"\u003e, it captures edge-to-edge situational awareness across porches, entry gates, and delivery drop zones.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003cp id=\"p-rc_c04bba5ad3ed7560-40\"\u003e\u003cspan class=\"citation-158 citation-end-158\"\u003eEngineered with dual-channel communication redundancy, Ajax DoorBell streams primary video over \u003c\/span\u003e\u003cspan class=\"math-inline\"\u003e2.4 GHz\u003c\/span\u003e\u003cspan class=\"citation-157\"\u003e Wi-Fi\u003c\/span\u003e\u003cspan class=\"citation-157 citation-end-157\"\u003e (\u003c\/span\u003e\u003cspan class=\"math-inline\"\u003e802.11 b\/g\/n\u003c\/span\u003e\u003cspan class=\"citation-156\"\u003e) while maintaining a secure fallback link with an Ajax Hub via proprietary \u003c\/span\u003e\u003cspan class=\"citation-156\"\u003eJeweller and Wings\u003c\/span\u003e\u003cspan class=\"citation-156 citation-end-156\"\u003e wireless radio protocols across open spaces up to \u003c\/span\u003e\u003cspan class=\"math-inline\"\u003e1,700 meters\u003c\/span\u003e\u003cspan class=\"citation-155 citation-end-155\"\u003e (\u003c\/span\u003e\u003cspan class=\"math-inline\"\u003e5,550 ft\u003c\/span\u003e\u003cspan class=\"citation-154 citation-end-154\"\u003e).\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003cspan class=\"citation-153\"\u003eEquipped with a \u003c\/span\u003e\u003cspan class=\"citation-153\"\u003ehardware PIR motion sensor\u003c\/span\u003e\u003cspan class=\"citation-153\"\u003e, edge \u003c\/span\u003e\u003cspan class=\"citation-153\"\u003eAI-powered object classification\u003c\/span\u003e\u003cspan class=\"citation-153\"\u003e (identifying humans, pets, and vehicles), two-way audio with active noise suppression and echo cancellation (G.722 codec), smart \u003c\/span\u003e\u003cspan class=\"citation-153 citation-end-153\"\u003eInfrared (IR) night vision up to \u003c\/span\u003e\u003cspan class=\"math-inline\"\u003e6 meters\u003c\/span\u003e\u003cspan class=\"citation-152\"\u003e, and an internal rechargeable backup battery, it delivers perimeter security in an \u003c\/span\u003e\u003cspan class=\"citation-152\"\u003eIP54\u003c\/span\u003e\u003cspan class=\"citation-152 citation-end-152\"\u003e weather-sealed matte white finish.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003ch4\u003eKey System Features \u0026amp; Functionality\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp id=\"p-rc_c04bba5ad3ed7560-41\"\u003e\u003cb\u003eHigh-Definition 4 MP HDR Imaging:\u003c\/b\u003e \u003cspan class=\"citation-151 citation-end-151\"\u003eCaptures crisp \u003c\/span\u003e\u003cspan class=\"math-inline\"\u003e2688 x 1520 px\u003c\/span\u003e\u003cspan class=\"citation-150 citation-end-150\"\u003e video @ 25 fps with HDR multi-exposure balancing for high-contrast sunlight and shadow transitions.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp id=\"p-rc_c04bba5ad3ed7560-42\"\u003e\u003cb\u003eUltra-Wide \u003cspan class=\"math-inline\"\u003e155°\u003c\/span\u003e Field of View:\u003c\/b\u003e \u003cspan class=\"citation-149 citation-end-149\"\u003eExpansive diagonal\/horizontal coverage ensures complete visibility of visitors from head to toe as well as doorstep delivery packages.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp id=\"p-rc_c04bba5ad3ed7560-43\"\u003e\u003cb\u003eDual-Layer Detection (Hardware PIR + Edge AI):\u003c\/b\u003e \u003cspan class=\"citation-148 citation-end-148\"\u003eIntegrates an optical PIR motion detector (up to \u003c\/span\u003e\u003cspan class=\"math-inline\"\u003e4 m\u003c\/span\u003e\u003cspan class=\"citation-147 citation-end-147\"\u003e \/ \u003c\/span\u003e\u003cspan class=\"math-inline\"\u003e13 ft\u003c\/span\u003e\u003cspan class=\"citation-146 citation-end-146\"\u003e) combined with on-device AI to distinguish people, animals, and vehicles, filtering out false alerts.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eWi-Fi + Jeweller\/Wings Fallback Link:\u003c\/b\u003e Connects via Wi-Fi for primary video streaming and maintains encrypted Jeweller\/Wings RF backup up to \u003cspan class=\"math-inline\"\u003e1,700 m\u003c\/span\u003e to deliver alarm signals during Wi-Fi interruptions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eHigh-Fidelity Two-Way Audio:\u003c\/b\u003e Integrated microphone and loudspeaker with G.722 codec, active noise reduction, and echo cancellation for clear, delay-free visitor communication.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eSmart IR Night Vision up to 6 m:\u003c\/b\u003e Adaptive infrared backlight automatically regulates intensity based on distance to prevent overexposure on visitors' faces in complete darkness.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp id=\"p-rc_c04bba5ad3ed7560-44\"\u003e\u003cb\u003eFlexible Power \u0026amp; Battery Backup:\u003c\/b\u003e \u003cspan class=\"citation-145 citation-end-145\"\u003eOperates on standard \u003c\/span\u003e\u003cspan class=\"math-inline\"\u003e12-24 VDC\u003c\/span\u003e\u003cspan class=\"citation-144 citation-end-144\"\u003e or \u003c\/span\u003e\u003cspan class=\"math-inline\"\u003e16-24 VAC\u003c\/span\u003e\u003cspan class=\"citation-143 citation-end-143\"\u003e transformer wiring (BellKit adapter included) with an integrated \u003c\/span\u003e\u003cspan class=\"math-inline\"\u003e600 mAh\u003c\/span\u003e\u003cspan class=\"citation-142 citation-end-142\"\u003e Li-Ion backup battery.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eAnti-Sabotage Tamper Defense:\u003c\/b\u003e SmartBracket mounting panel features an integrated tamper switch that immediately notifies the Ajax app and CMS if the unit is unlatched or detached.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"AJAX","offers":[{"title":"Default Title","offer_id":50790421791031,"sku":"116889.125.WH3","price":340.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/7790\/6743\/files\/500_3_dd93a798-bb49-4d36-a84f-b08b241f753b.png?v=1787936777","url":"https:\/\/shop.gvs-usa.com\/products\/ajax-doorbell-4mp-smart-video-doorbell-pir-ai-white-9na-116889-125-wh3","provider":"gvsusa","version":"1.0","type":"link"}