2.4GH Wireless Immobilizer Alarm Auto Cut Engine Car Engine Lock Engine Off Cut NOTE: Since now CHINA POST reject all the goods with battery, so we only can take out the battery from the remote. When you get the package, pls kindly buy the remote battery by yourself, we are sorry about this! Each remote please put one pcs CR-2032 battery by yourself. You need supply the 12V power to the system, the red wire and the green/red wire twist together to the power ON（Red/Green have to connect to +12V otherwise not work） and the black wire connect to the ground，you need install this device inside the car, onlyconnect itto themultimeter is useless, ifyou only connect the system to the multimeter and said it can't work and open thedispute, please not buy in our shop. 1.RFID engine lock 2.lock and unlock the car engine automatically 3.anti-hijacking intelligently 4.circuit cut off intelligently 5.two way transmit 6.the car engine will be locked automatically and could not be started beyond 2 meter 7.approch to the car within 2 meter, the engine will automatically unlock 8.only put the remote inside pocket, the engine will automatically lock and unlock 9.anti-hijacking mode, intelligent circuit cut off 10.without the remote, even use the car key can not start the engine 11.emergency release: if the remote lose or the remote is with low power, press the reset button for 3 times and keep press the button at the third time until the buzzer of the main unit chirp 3 tims 12.very easy to install