This
wireless chime's wireless PIR detector is made for indoor or outdoor
use and has detection patterns for doorway and driveway coverage.
It can be used to remotely open or close electronic locks (electronic
door strikes or magnetic locks) and can also be used in conjunction
with lighting systems or anti-crime alert devices. Features include
On-Off control, adjustable volume, individual enunciation of up
to three zones, an optional alarm mode, and a 1 amp form C relay.