Vibration Alarm: Electric scooter antitheft alarm, when it is vibrated, it alarm immediately, quickly attract the attention of people around, and scare away thieves. One-Button : It comes with 2 remote controls, which support one-button keyless of the scooter, which is easy to operate and more convenient to use. Remote Vehicle Search: Support vehicle search function, it can help you find your scooter easily. Remote controlling distance up to 100 meters. Reliable Quality: High-quality ABS material, nice durability, wear and high temperature . Waterproof design, no fear of . Nice Accessory: Small in size, it doesn't take up space and doesn't burden . It is a nice scooter modification accessories. Working Voltage: 36-72V Frequency: 433.92MHz Remote Controlling Distance: About 100 Meters Item Weight: 81g/ 2.9oz/set Model Number: Electric Scooter AntiTheft Device color:Black Material:ABS Package Contents: 2 x Host 4 x Remote Controller 2 x Adapter Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.