Wireless Anti-theft Black Portable Bike Alarm with Remote Bicycle/E-Bike/Motorcycle Security Rechargeable Vibration Sensor Alarm

Specification： Condition：100% Brand New Shell Material：PC Alarm volume：110dB (Test distance is 30cm) Remote control distance：30~60m (98~196ft) Alarm Battery：4.2V 700mAh lithium battery Working Time(Alarm)：1~3 months,standby time 6 months Remote Battery： 27A(12V) Alkaline battery Working Time(Remote)：1~2 years（5 times per day) Alarm Charge Port ：Standard USB-C 5V Working Frequency：433.92MHz Working Environment：-40~+70℃ Working Environment Humidity：<80% Storage Temperature：-40~+70℃ ▶Loud voice scare the thief The volume is adjustable~