Specification:

Size: 64MM*51MM*10.5MM (for reference only)

Weight: around 23g

Decibel: 130dB

Material: ABS

Battery: LR44*3pcs

Instructions for use:

1: Turn on the toggle switch, the indicator light of the main unit flashes, and enters the working induction state with a beep after 5 seconds.

2: When the alarm senses the vibration, it will automatically trigger the alarm and flash the light. The alarm will stop after 30 seconds and enter the working state again.

3: Low voltage detection, when the voltage is lower than 3V, the indicator light flashes at a frequency of once a second.