Color:blackRemote Controlled:No Type Of Remote Control:Without LCD Remote Control Type Of Accessory:Special Parts Of Anti-Theft Device Feature:Security Alert Type:Anti-Theft Device One-Way Origin:Mainland China Certification:CE Effective Receiving Range:2 Meters Fits for:DC24V Vehicles Cars Feature 1:Engine Auto Lock And Unlock Feature 2:Anti-hijacking Feature 3:Emergency Override Main Feature 1. Engine auto lock unlock: Automatically unlock the car engine when user approach the car within 1-2 meters with remote. Automatically lock the car engine when walk away the car for 1-2 meters with remote control. 2. Anti-hijacking-- when the vehicle is ignition on status, the device will enter the anti-hijacking mode if cant detect the signal from the remote. The item will exit the anti-hijacking mode if detect the signal from the remote. 3. Emergency override If the remote control was lost or with low power, user could not start the car, need to do an emergency override in order to start the vehicle. 4. Low battery detection/reminder Once Engine start after 10 seconds, if the battery voltage below 2.3V, the buzzer will beep 3 times. And repeat 3 seconds later, to remind the user to change the battery in time. 5. back to factory setting: If the vehicle was cut off power suddenly, the vehicle will be automatic back to factory default setting 6. Code learning/programming method New remote can be programmed to the device if the remote was lost or battery has no power. 7. key fob induction distance sensitivity adjustable from 2meters to 5 meters. Packing list Unit x1 Remote x2 English user manual and wiring diagram x1 Technical Data: Main unit: Effective receiving range: 2M Operation voltage: 24 3V Operation current: 21mA Operation frequency: 2.4GHZ