1. Material: ABS
2. Alarm sound: 130DB
3. Battery: LR44x3
4. Standby time: about 1 year
5. Sensing range: 8~15mm
6. Standby current: 6uAh
7. Working current: 100MAh
8. Working principle: When someone opens the door and window illegally (the host is separated from the magnetic strip), the door magnetic alarm immediately emits a sharp alarm sound
9. Five modes are switched according to the situation. Short press to switch the mode and adjust the volume
10. Door magnetic size: 65x34x16.5mm
11. Magnetic strip size: 36x10x14mm
12. Weight: 42g
13. Installation instructions: The delivered adhesive is attached to the back of the door magnetic and magnetic strip respectively. Align the triangular installation marks of the door magnetic and magnetic strip and stick them on the door and window. The distance between the door magnetic and magnetic strip is less than 15mm