Description : KERUI P816 Wireless Dual Power Infrared PIR Motion Detector Sensor Alarm 433MHz for Home Anti-Theft Burglar Alarm System Features : Provided superhigh detection ability and anty error alarm. Automatic temprature compensation prevent false alarm. Anti light and immunity to electromagnetic interference. Specification : External adapter: DC9V-12 V Internal battery: DC 9V 6F22 Power supply: External adapter or internal battery power supply can be used at the same time. Standby current: ≤ 50uA Alarm current: ≤ 20mA Detection range: 8 meters \/ 110 degrees Wireless distance: ≥150 meters (open area\/no interference) Wireless transmitting frequency: 433 MHz Shell material: ABS plastics Operating temperature: 80% or (no condensation) Detector size: 128 x 68 x 48 mm Bracket size: 52 x 29 x 27 mm Package includeds : 1 x KERUI P816 PIR Detector 1 x Set of Installation Accessories Details pictures :