KERUI P817 433MHz Wireless Ceiling Curtain PIR Detector Infrared Sensor for Security Alarm System

Description :The item is wireless curtain PIR sensor, it adopt advance digital analysis processing, with high detecting and anti-false alarm function.When people intrude into the detecting range and move, the detector will send signal to alarm panel. The product suit for house, residence, factory, store, office and so on.Features : True temperature compensation technology.Battery low voltage indication. Ceiling/door/window/curtain PIR sensor. Imported sensors, infrared processing chip. Specification : * External adapter: USB adapter 110-220V * Internal battery: 2 X AAA battery * Standby current:≤ 50uA * Alarm current: ≤ 20mA * Detection distance: 3-6 meters * Detection range:vertical 15°, level 110 ° * Wireless distance: 100 meters in open area * Wireless transmitting frequency: 315 MHZ / 433 MHZ (+ 75 KHZ) * Shell material: ABS plastics * Operating temperature: 80% or (no condensation) Install steps 1. Put batteries into detector. 2. Install the bracket in appropriate height. 3. Fix the detector into the bracket. Package includeds : 1 x KERUI P817 Ceiling PIR Detector2 x AAA Battery1 x Set of Installation Accessories Details pictures :