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1. Material: ABS 2. Battery: LR44X3 (included) 3. Host size: 65x34x16.5 mm 4. Weight: 42g 5. Remote control size: 36x10x14 mm 6. Sensing range: 8-15 mm 7. Standby time: about 1 year 8. Standby current: less than or equal to 6uAh 9. According to the triangle mounting marks of door sensor and magnetic stripe, it can be installed in left and right adjustment positions 10. 5 modes of alarm/doorbell(alarm 30 seconds mode, doorbell mode, alarm mode, beep mode and delayed alarm mode), can be installed in both directions, 130dB super loud alarm sound 12. Working principle: when the door is opened, the door magnet and the magnetic strip are separated and the 8-15 mm alarm sounds and closes to stop the alarm
