Specifications:
1) Distance response: 20 - 180cm; such as 20 - 100cm, 20 - 120cm,
20 - 150cm, 20 - 180cm
2) Working temperature: -40oC  +80oC
3) Alert: 3 digit LED distance display and audible alerts
4) Sensor dimensions: F 22mm x 18mm
5) 4-sensor system
6) Sensor colors available include red, white, black, silver, green, and blue
7) Carbon monoxide detector alerts driver when CO level is above UL2034
8) Includes F 22mm drill bit
9) All connecting wires are included
10) English instruction manual
11) Color box packaging

Inner packing:
Dimensions: 268 x 190 x 56mm

Outer packing:
Carton dimensions: 372 x 190 x 56mm
G.W.: 1.0kg