General description The Wireless Bicycle Vibration Alarm with USB rechargeable feature is a state-of-the-art anti-theft system designed for motorcycles and bikes. This reliable and easy-to-use detector alarm system utilizes vibration detection to trigger an alarm and can be conveniently controlled via remote. Technical specifications Battery capacity: 400mAh Battery voltage: 3.7V Sound decibel: 115dB Remote control distance: 10-80m (can penetrate walls) Remote control battery: 12V/27A alkaline battery Working environment temperature: -10-60 ℃ Waterproof performance: IPx5 Material: ABS Color: Black Package Contents 1 x Alarm 1 x Remote Control Other information Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the real thing. The measurement allowed error is +/- 1-3cm.