Feature: 1. 2 Way Alarm: The remote control key and the host have two way alarm, which can monitor the vehicle status at any time, and vibrate and sound beep. 2. Multifunction Alarm System: The motorcycle alarm system supports remote start, remote flameout, anti hijacking, anti theft and other functions. 3. PKE Sensing Function: Automatic locking and unlocking function within 5 meters, automatic locking after 5 seconds of parking, mute function and other auxiliary functions 4. Realtime Display: The remote control key with LCD display can clearly display the vehicle status, time, power and so on. Built in gyroscope acceleration sensor, all round perception of vehicle status. 5. Wide Application: Universally used in 12V motorcycles, off road vehicles, tricycles (oil burning engines), EFI motorcycles and other electric vehicles. Specification: Item Type: Motorcycle Alarm System Material: ABS Working Voltage: 12V Working Frequency: 433MHZ ±1 Speaker Decibel: 105-125db Remote Control Distance: Less than 300m/328.08yd Battery: 3 Button Key: 1 AA battery 1.5V 700mah 4 Button Key: 1 coin cell battery CR2032 200mah (included) Fitment: Universal 12V motorcycles, off road vehicles, tricycles (oil burning engines), EFI motorcycles and various electric vehicles. Package List: 1 x Host1 x Speaker2 x key1 x Harness1 x Gasket1 x Manual