Dear，Pls leave a massage to tell us what design (Color) do you want.thank you.

With mini transmitter and water resistant function， an ideal alarm system for your motorcycle!Features:Durable transmitter. Waterproof ECU.Remote engine start and keyless driving.4-button durable transmitters.Adjustable shock sensor sensitivity via transmitter. Anti-hijacking. Engine immobilization. Specifications:Voltage: 9~16VStatic Current: <3.5mASiren SPL: 105dB~125dBFrequency Range: 433.92MHzPackage Size: 15 * 12 * 6cm / 5.9 * 4.7 * 2.4inPackage Weight: 357g / 12.6ozPackage List:2 * Transmitter1 * ECU1 * Alarm Speaker1 * Set Installation Accessory1 * English User Manual