Outdoor Wired Waterproof Double Beam Infrared Immune Security Burglar Alarm S CT

Passive infrared detector with bus mode and relay mode. 1 x Detector. Item Type: Infrared Detectors. Infrared Area: (11+11+9)×2=62 (typical). Alarm Output: Solid state relay, normally closed normally open type, >100mA/30V, 10Ω internal impedance.

eBay