ONMYST Bicycle Vibration Alarm

-Power Supply: [AAA] Alkaline Battery * 3( included) 

-More Information

1 IP55 waterproof, no fear of wind and rain.

2 Three-dimensional acceleration sensor, more accurate and less false positives.

3 40~80 meters, longer distance.

4 7-level adjustable sensitivity.

5 Level 3 volume is adjustable, up to 113dB.

6 3 kinds of electric bells and 5 kinds of alarm sounds are cyclically switched.

7 Internationally popular SOS distress function, multiple guarantees.