描述
- 90 DP sound level
- 2 pcs sensors for two windows or doors
- Included Three 1.5V button cell batteries
- Easy tool-free installation to window or door; Mounted using double-sided adhesive tape
- Magnetic sensor switch detects entry protecting home or office
Easy tool-free installation to window or door; Mounted using double-sided adhesive tape,Magnetic sensor switch detects entry protecting home or office.2 pcs sensors for two windows or doors,90 DP sound level
