Features: Vibration Alarm: Electric scooters anti-theft alarm, when it is vibrated, it will alarm immediately, quickly attract the attention of people around, and scare away thieves. One-Button Starter: It comes with 2 remote controllers, which support one-button keyless starter of the scooters, which is easy to operate and more convenient to use. Remote Vehicle Search: Support vehicle search function, it can help you find your scooters easily. Remote controlling distance up to 100 meters. Reliable Quality: High-quality ABS material, nice durability, wear and high temperature resistant. Waterproof design, no fear of rainy days. Nice Scooters Accessory: Easy to install and use, won't increase the riding burden, a nice scooters modification accessory, compatible with M365/Pro/Pro2/MI3 scooters. Specifications: Color: Black Material: ABS Working Voltage: 36V Frequency: 433.92MHz Remote Controlling Distance: About 100 Meters Host Size: 46.7 * 19.8 * 52mm/ 1.8 * 0.8 * 2.0in Host Weight: 61g/ 2.2oz Package Size: 105 * 96 * 35mm/ 4.1 * 3.8 * 1.4in Package Weight: 90g/ 3.2oz Packing List: 1 * Host 2 * Remote Controller