Features: 1.When the infrared detector is used with the WIFI host(not include), after the infrared and WIFI alarm are associated, the infrared is triggered, the host will notify you by phone and message. 2.Infrared and acousto?optic horn (not include) associated, acousto?optic horn installation, infrared trigger, acousto?optic horn field emit 120 dB sound, and accompanied by red flash prompt. 3.After the infrared and the camera(not include) are associated, the camera is connected to the Internet. After the infrared is triggered, the camera will notify you by phone, and you can watch the alarm immediately. 4.The transmission distance of the infrared detector is approx. 100m/109.4yd (in open area), the working temperature is ?10 ? +50 and the humidity is 85%. 5.The input voltage of the infrared detector is 1.5V 2 x AA batteries (including batteries), and the static current is 40uA. Alarm current is 15mA. 433MHz radio frequency. Specification: Item Type: Infrared Detector Material: ABS Input Voltage: 1.5V 2 x AA batteries (battery included) Static Current: 40uA Alarm Current: 15mA Detection Range: 8M/110 Alarm Indication: Blue LED Radio Frequency: 433MHz Shock Resistance: 330K Code: 1527 Launching Distance: Approx. 100m/109.4yd (in open area) Operating Temperature: -10 - +50 Humidity: 85% PackageList: 1 xInfraredDetector 1 x Bracket