https://www.vedardalarm.com/solarpowered-wireless-photoelectric-beams-infrared-detector-p-164
Wireless Beams Photoelectric Infrared Sensor HB-T001-Q8 100m detection distance and 80cm protection height. The wireless beam has 8 beams as light wall and each beam height is 8.5cm. Any two beams are completely blocked, the detector will trigger alarm.
This solar-powered beams are used as farm security, community security, school security etc.
Self-contained solar powered motion sensor alarm with sound. Built-in speaker and sound can be set as 5-60s or mute.
