This device helps you lock your car and keep it safe anywhere anytime. <br><br><strong>Features:</strong> <br>Slick and durable carbon fiber transmitters. <br>Voice warning(ON/OFF). <br>Hood trigger. <br>Dome light delay. <br>Remote trunk release. <br>Code hopping. <br>Valet mode. <br>Match central locking system &amp; window closer. <br>Anti-hijacking, emergency call &amp; locating. <br><br><strong>Specifications:</strong> <br>Working Voltage: 9~16V <br>Static Current: &lt;20mA <br>Siren SPL: 105dB~125dB <br>Frequency Range: 433.92MHz <br>Package Size: 28 * 23 * 12cm / 11 * 9.1 * 4.7in <br>Package Weight: 1222g / 2.7lb <br><br><strong>Package List:</strong> <br>2 * Transmitter <br>1 * ECU <br>1 * Siren <br>1 * Relay <br>1 * Shock Sensor <br>1 * LED Indicator <br>1 * Set Installation Accessory <br>1 * English User Manual