Battery Operated PIR Zone Alarm
STAND ALONE DOORWAY SENTRY
Compact and easy to install. This Passive Infrared Detector is a totally self contained battery operated informant. Self-standing or wall mount. No-wiring, easy to install. Excellent temporary solution for welcoming visitors with a Gentle chime or constant buzz for intruder detection & alert. Use as a door sentry in shops place in no-go areas at work or to protect children, etc. Requires a 9V battery.