Feature:1. 2 Way Alarm System: The remote controller and the host can give two way alarm, monitor the vehicle status anytime and anywhere, and prevent theft more safely.2. Multifunctional: Remote start, flameout, anti theft and anti hijacking functions are complete. The external 125 decibel speaker, with a high decibel alarm sound, can deter thieves.3. Long Range: The remote control is within 250 meters, which can be operated remotely and easily. In case of robbery, you can turn off the vehicle through the remote control.4. Shock or Push Alarm: After the host is set, pushing the car will give an alarm and lock the ignition system, and the remote controller will give an alarm synchronously.5. Wide Application: Waterproof and dustproof, effective protection of host circuit, longer service life. Suitable for scooters, ATVs, motorcycles, etc.Specification:Item Type: Motorcycle Alarm SystemMaterial: ABSWorking Voltage: 12VOperating Frequency: 433mhzRemote Control Distance: Within 250m/273yd (the distance will be shorter due to environmental interference)Speaker Decibel: 105-125dbBattery: Large Key: 1 x AAA battery, battery capacity 700mah 1.5V (built in)Small Key: 1 x button battery CR2032 200mah (built in)Fitment: Uinversal for scooters, motorcycles, ATVs, etc.Package List:1 x Immobilizer1 x Speaker 1 x Sticker1 x Manual2 x Remote control1 x Harness