Leegoal 110 db Bicycle Bike Security Alarm Audible Sound Lock

Features Overview: Environment-Friendly,Waterproof(but do not immerse the product into water)high quality,excellent after-sale service 4 digital code,only the user can unlock Adopt micro-computer thchnique,have High-Middle-Lower sensitivity choose Low power consumption to allow the battery a long life Easy to installation and DIY Technical Specification Power: 6F22 9V battery x 1 Dynamic current: <100mA Alarm decibel: >105db