1, Technical Specifications:

Operating voltage : 5V/1A power supply

Operating current : < 50mA

Size : 110 x 69.5 x 40mm

Colour : white

Installation : ceiling

Installation height : 2 to 6m

Detection range : 110°

Sensors : dual infra-red thermal sensors

Sensor interval : about 2 seconds

Transmission freq. : 433MHz +/-0.5MHz

Transmission dist. : > 50m with no obstruction

Operating temp. : -10 - 55°C

Relative humidity : < 90%

Software system

Requirement : Microsoft OS: Window XP or Win 7 and above