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.

HILDEBRAN, NC, April 10, 2013 – ELK Products is proud to announce the newest addition to the two-way wireless family, the ELK-6030 Wireless PIR Motion Sensor. The PIR works with the M1 control along ...

I've never actually had anyone try to run off with my laptop, but then again I usually don't leave it sitting somewhere while I wander off. For those of you that feel the urge to leave your precious ...

The sound of car alarms going off at the touch are common enough. How do these car protection systems detect intrusion? In a car alarm system, a siren is connected to a few sensors to ensure that as ...

The motion sensor switch circuit can automatically turn on a water sprinkler but you can easily use it as a motion sensor light switch or motion activated alarm too. Before beginning the construction ...