Universal Car Alarm System Security Protection Keyless Entry with 2 Remote Control Siren Features: Multi-level security alarming and high reliability. It has the functions of remote alarming and voice prompt operation. Support car locating, trunk release, remote code learning function. Compact design and beautiful mold, strongly guard from thieves. It can be used in different types of cars. Comes with 2pcs remote control, siren, wiring harness and etc. Easy to install, but professional installation is recommended. Specifications: Main Unit: Working Voltage: DC 12±3V Static Current: 10mA Output Current: Turning Light 7.5A*2 LED Indicator: 3mA Siren: 10A Central Locking: 10A Working Frequency: 315mhz-316mhz Remote Control: Working Voltage: DC 12V Average Static Current: 0mA Battery 23/27A/12V Fastener Battery: CR2016 Shocking Sensor: Working Voltage: DC 12V±3V Static Current: 1mA Size: as picture show Package Weight: approx.606g Package Included: 1 * Main Control Unit 2 * Remote Control 1 * LED Connection Wire 1 * Engine Killer Relay 1 * Shock Sensor 1 * Siren 1 * Wiring Set