The motion sensor range can reach up to 30 feet.The wireless range from each sensors to the receiver can reach up to 1/2 mile. You can also use this driveway alarm as your remote driveway doorbell.
Tripping the motion detector or switching ... cost-effective and easy-to-install wireless home security camera that can be used indoors or out, the Ring Alarm Stick Up Cam can provide a solution.
such as the motion sensor,” he says. Another prototype, which looks more like the Alarmo you can buy now, sat on a pedestal. “The system that serves as the brain of the alarm clock is in the ...
The motion detectors set off the alarm inside at the exact time this ghostly moment floated by the front of the restaurant. As you keep watching the video, you'll see another similar occurrence.
We put smoke alarms and heat alarms through rigorous tests in accordance with the British Standard to find the best and safest for your home. Smoke alarms need to sound quickly when they detect smoke ...