Description: 1. PKE, 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 line and horn line are cut. Controller wil alarm and not not start the bike when rewiring. Specification: Color: As Picture The alarm horn sound size: 105-125 DB Remote control frequency: 315.5 or 433MHZ Working voltage: 12 3V The host shell: waterproof design, beautiful appearance, sleek. Controller Battery: 1.5V AAA Alkaline Battery(Not Included) 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