Product information
Item description: infrared induction door bell
Material: ABS material
Colour: white, black, pink, yellow, blue, green, red, purple
Suitable location: shops, shopping malls, stores, the company, residence
About online detection Angle: 60 degrees, 110 degrees
Detection range 0-8 meters
Product size: 8.1 cm * 8.1 cm * 4.2 cm
Supply mode: a DC 9 v or 3 section 7 battery
Features: 32 first hint the bell