Features： 1、Car central control door security lock, support remote and convenient unlocking and locking of the door. 2、With remote control, you can automatically controls door lock, no matter day or night, no need to detect the keyhole. 3、LED indicator will remind you the state of the door to ensure your driving safety. 4、Universal for almost all car types, can control both your car door and window. 5、The receiving distance can get to about 100 meters/109.4yd, convenient to use. Specification： Item Type: Central Lock Kit Material: ABS Color: Black Remote Control Battery: Built-In Cell Battery Battery Model: CR2016 Battery Capacity: 75mA Voltage: 12V ± 2V Frequency: 300MHZ-433.92MHZ Receiving Distance: About 100m/109.4yd(Open Area) Host Size: Approx. 8 x 6.3 x 2.9cm/3.14 x 2.48 x 1.14in Remote Control Size: Approx. 3.1 x 4.4cm/1.22 x 1.73in Fitment: Universal Keyless Entry System Package List： 1 x Keyless Entry System Host 1 x Set of Data Cable 2 x Remote Control 1 x English User Manual