Specifications:

* Power: 6F22 9V battery (not included)

* Dynamic current: <100mA

* Alarm decibel: >105db

* Work temperature: -15degree to 75degree

* Store temperature: -40 degree to 85 degree

* Environment humidity leve: 5% to 98%

Attention:

1 Waterproof, but do not immerse the product into water

2 Recommend use alkaline 9V battery. Pls replace the battery once the alarm sound lower

3 If do not use the unit for a long time ,please take out the battery ,to avoide any damage due to the leak liquid

Package includes:

* 1x Bicycle alarm

* 2x Cap nut

* 2x Screws

* 1x User instruction