100% brand new and high quality.
Detect open and close status of door, window or drawer etc.
Compatible with 300 series and 500 series.
Install on the door or window or drawer.
Easily install with screws or sticker.
The price is competitive.
Operation temperature: 0-40°
Size: Main body 70mmx20mmx20mm, Deputy body : 40mmx11mmx11mm
Power: CR14250 x1
Standby current: 1uA
Battery life: 2 years
1 x Door Window Sensor