Up to 113dB loud alarm, with vehicle search function, you can play sounds remotely, and easily find your vehicle through 3 kinds of ringtones 3 level djustable volume, for bicycles, electric bicycles, motorcycles Waterproof IP55, support outdoor rain or muddy water in harsh environments 7 Level adjustable sensitivity, vibration alarm Remote control range, remote wireless control, powerful wireless range up to 66 feet Specification: Color: Black Power Supply: 3x AAAbattery Material: ABS Plastic Up to 113dB loud alarm 3 level djustable volume Waterproof IP55 7 Level adjustable sensitivity remote control range: 0-66ft Size Chart: 9.5x4x2.2cm/3.74x1.57x0.87inch Package Includes: 1 Piece Bike Alarm with 1 Piece Control Remote; 1 Piece Bike Alarm with 2 Piece Control Remote; (optional) Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping!