Anti-theft Bike Lock 105db Alarm Security Lock Smart Wireless Remote Control Bike Bicycle Alarm Siren Bike Lock Made of high quality material which provides corrosion resistance, wear resistance, durability and strength. Easy and convenient to install and suitable for locking the bike Use the highly sensitive defense probe, microcomputer control, high reliability, high sensitivity and highest security. In alarm situations, it is triggered precisely by intruders Specially designed for the bike, install it to ensure the safety of your bike. Mini appearance, it is convenient to take everywhere. Vibration and disassembly trigger an alarm at 105dB sound to present thieves or burglars Press the red A button and the alarm system will start after a beep. In this case, the alarm will be triggered when vibration occurs. To stop the alarm system, simply press the gray B button. The alarm system stops working after 2 beeps As soon as someone wants to unlock their bike, a maximum beep of up to 105dB is heard for almost 20 seconds. After the beep signal is over, the lock is in alarm again. In this situation, the alarm is triggered again to activate other people Specifications: Material: ABS Power for bike alarm: 6F22 9V battery (NOT included) Remote control Power: 150mAh (included) Alarm decibel: 105db Dynamic power: