1. PKE induction, 5 meters away from the bike automatically lock, near to 5 meters automatically unlock, hands free. 2. Controller with the function of vibrating voice prompt, two-way Interaction. 3. Built-in double security lock, three minutes automatically lock(Must to press the unlock button to start the bike.This function can be closed). 4. Remote control on or off, searching the bike. 5. Power cut memory function. 6. Will beep when the bike turning(This function can be closed). 7. The bike can not start and alarm when the broken the ignition lock, arbitrarily and lines and  short circuit. 8. Controller will alarm when the power cable and horn line are cut. Controller wil alarm and not not start the bike when rewiring. Specification: Controller Battery: 1.5V AAA Alkaline Battery. Power of the Host: 12V. Material: ABS Plastic. Speaker: DC 12V 125db. Note: Plese read the use manual before using, please click into here to download the use manual. If your bike use direct current voltage, the pink wire do not be connected. Package Included: 1 X Host. 2 X Controller. 1 X Alarm Speaker