Large Wireless Range: Door Motion Alarm is triggered by the PIR sensor via monitoring movement, it has 110° wide angle Infrared which can cover 16-26 ft range, support 500 ft operating range ...
Even though anti-motion sensors hold incredible potential in saving lives, it is important to note that the cost of ...
Image by Nathan Ingraham via Engadget It works about like you might expect — there’s a motion sensor and a night-vision camera on the exterior side of the door. Using Flappie’s “unique and ...
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