?With mini transmitter and water resistant function£¬ an ideal alarm system for your motorcycle! <br><br><strong>Features:</strong> <br>Durable transmitter.?? ? <br>Waterproof ECU. <br>Remote engine start and keyless driving. <br>4-button durable transmitters. <br>Adjustable shock sensor sensitivity via transmitter.?? ? <br>Anti-hijacking.?? ? <br>Engine immobilization.?? ? <br><br><strong>Specifications:</strong> <br>Voltage: 9~16V <br>Static Current: &lt;3.5mA <br>Siren SPL: 105dB~125dB <br>Frequency Range: 433.92MHz <br>Package Size: 15 * 12 * 6cm / 5.9 * 4.7 * 2.4in <br>Package Weight: 357g / 12.6oz <br><br><strong>Package List:</strong> <br>2 * Transmitter <br>1 * ECU <br>1 * Alarm Speaker <br>1 * Set Installation Accessory <br>1 * English User Manual