Specifications: 
Rated voltage: 220V
Rated t: 0.5A
Max power: 10W
Action: 25-40mm
Signal output: normally closed / normally open / conversion type
Fixing method: surface screw mounting
Material: Zinc Alloy
Operating environment: -10℃-50℃ (14℉-122℉)
Size: Main body (D*W*H): 51*25*16mm
Deputy body (D*W*H): 51*25*16mm
Item Weight: 146g
Pitch-row: 30mm
Package Size: Approx. 9 * 6 * 3cm / 3.5 * 2.4 * 1.2in
Package Weight: Approx. 151g/5.33oz

Packing List:
1 Pair * Metal Door Sensor Switch(for Alarm Access Control System)
1 * Set of Mounting Screws