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See more of every front-door visit with the Alarm.com ADC-VDB781B Battery Doorbell Camera. It combines 1536 x 1536 video, dual-band Wi-Fi, intelligent visitor and package alerts, two-way talk and a replaceable battery without requiring doorbell wiring. -
Conceal opening protection inside a door or window frame with a 3-inch recessed 345 MHz contact, 0.5-inch magnet gap, and replaceable AAA lithium battery.
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Add multi-criteria photoelectric smoke, 135 F heat, rate-of-rise, and optional low-temperature reporting to a compatible 5800-series system.
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Add photoelectric smoke detection, 135 F heat sensing, rate-of-rise response, an 85 dB horn, and automatic drift compensation to compatible DSC 433 MHz systems.