specification:Item Type: Car Keyless Entry System_x000D_Material: ABS_x000D_Battery: 200mAh button cell x 2 (built in)_x000D__x000D_Automatic Sensing Range: Approx. 1-10m/3.28-32.81in_x000D_Application: _x000D_Universal fit for 12V car Features: 1Keyless Entry System: One key start or break down, 2.4GHZ working frequency, stable performance, strong anti interference ability, with high sensitivity and fast response. 2Feature: The PKE remote starter will automatically lock or unlock the door when walk away or approach the car in 1?10 meters with key fob, with 8 gear adjustable sensing distances. 3Anti Theft: When the vehicle does not detect the proximity card, the car cannot be started, and will automatically stall when driving, then the vehicle cannot be started again. 4Other Functions: The emergency release function is used for car washing, maintenance, or emergency release of anti theft, and remote control sensor low voltage alarm function. 5Wide Compatibility: The PKE remote starter can be installed in vehicles that have been equipped with anti theft alarms, universal fit for 12V voltage car installation. 6Click Start Button: With push start button can start or stop your vehicle easier and no need to insert the key into ignition cylinder any longer once properly installed. PackageList:1 x_x000D__x000D_ECU Control Box 1 x Start Button 2 x Smart Sensor Remote Control 1 x Start Cable Resistance 1 x Auxiliary Line Code Switch 2 x Button Cell 2 x Key Fob 2 x Cable Tie 1 x Manual