This is an universal 4 door power lock kit with keyless entry system, and it will enable you to lock and unlock your car doors using a remote fob. This central locking system comes with 4 actuators, 2 remote controls, 1 door lock module, wire harness and a complete set of accessories for installation. With this powerful kit, you could transform manual door locks to automatic door locks. Moreover, it can upgrade your original control lock system and make your car more convenient and security. Fitment: For most of automobiles or cars, for 4 door installation Specification: Distance: About 30 - 80 meters Working Voltage: 12V3V Tensile Force: 32N4N Stretch Distance: 18MM1MM WorKing Temperature: -30------+80 Module Circuit Current: Max 81mA Indicator Current:15mA Working Frequency: 433.92MHZ Enduration Life: 10,0000 times Package Included: 1 x Control box 2 x Remote Controllers 4 x Door lock actuator Mounting accessories Features: Remotely lock and unlock your car Comes with 4 door lock actuator Comes with 2 Remote Keys and installation accessories Universal for any cars Change manual car door locks into the automatic ones Note: 1. Wiring harness should avoid high temperature and high voltage position. 2. Do not make the system main unit and remote control into the water, get wet or under the sunlight at the high temperature. If the remote controlling distance becomes shorter or the LED light becomes dim, please change the new battery on the remote. 3. Before installing the central locking system, please clearly understand the structure of the door that will be installed on, and make sure the place of installation, which will not affect the motion of the window. 4. After installing the lock, roll the window up and down few times to make sure there is no scratching occurrence. Then put the door panel back on. 5. This product doesn't have alarming function or the parking light flashing function.