(Add on for OS-SAK-5 Security Alarm Kit) 433MHz
1.Small And Exquisite Appearance
2.Detect Doors, Windows, Drawers, Etc. Are Being Illegally Opened Or Moved
3.433Mhz
4.Low Battery Prompt
Door Sensor - 433MHz
Net Weight: 39g ± 3g
(Add on for OS-SAK-5 Security Alarm Kit)