Rated 3 out of 5 by 1
Rated 3 out of 5 by Damon Weakness.
This product is certainly easy to install but has a weakness.
In order to obviate the need for wiring each sensor is fitted with its own battery. To conserve battery power in the PIR sensor this device has a "sleep" fuction of about 1 1/2 minutes before it works as an alarm trigger,added to the 20 seconds entry time allowed.So an "enter & grab" thief has almost 2 minutes to get in & out with his haul.There is an increasing incidence of this kind of crime e.g car key theft. So you might wish to fit a door sensor to any vulnerable entry point & these ain't cheap!
26 November 2013