ITEM:ONE WAY CAR ALARM SYSTEM One way car alarm system with siren for 12V DC Vehicle which has central door lock system Main Features: - Warning identification, Anti-hijacking - Central door locking system automation - Door unclosed well warning function - Car finding / help calling, Re-arm, LED indicator - Engine cut off, Emergency disarm - Intruding warning, Power off memory - Remote trunk release ( negative signal ) - Remote transmitter and receiver check code ( learn code ) - Electrical/Pneumatic central locking optional without keys - Side door trigger ( negative signal ) - Silent Arm, Arming reminding - Working temperature: -40 to 80 degree celsius About installation: The product need installed by the Profesionales with Car electrician certificated For 12V DC car which has central door lock The item without actuator of central door lock Package Include: 1x Main Control Unit 2x Remote Controller 1x LED indecator 1x Engine Killer Relay 1x Shock Sensor 1x Siren 1x Wiring Set 1x English User Manual Package Size: 15cm x 12cm x 23cm ackage Weight: 0.7kg