Bicycle Motion Sensor Security Alarm(Black)

1) 4 digital code lock

2) Sensitive

3) Low consumption, Power: 6F22 9V battery x 1 (Battery not included)

4) Adopt quiver-alarm technic, safety and credibility.

5) Fixing convenience and easy to use.

6) Dynamic current: <100mA

7) At least 100dB alarm

8) Environment humidity level: 5%~98%