Electric vehicle has been the most common vehicle in our daily routine. It is improtant to have a alarm system for electric vehicle. This item is well made of for durable and practical use. Easy to install and use. Features - Color: Black. - Material: Plastic. - Size: 7.00X3.30X2.30cm/2.75X1.30X0.90 inch. - Remote start: Press the button twice and the horn will once, indicating that will , and it can be driven without a key. - Find function: In anti-theft alert status, press the bell button, the horn will 5 times to tell the owner the location of the vehicle, and press any stop this state. - Turn off the electric lock when parking, after about 5 seconds, the anti-theft is not set, the anti-theft system will sound a reminder to remind the owner to set the anti-theft. - You can press the lock button and the horn to give a strong alarm within the effective distance range when you encounter fierce while driving, and cooperate with the controller to lock the motor, and press the button to release. - reminder: When the vehicle speeds exceeds 15 kilometers per hour, the alarm will sound to remind you. Specification - Working voltage: 48V-72V - Working : <80mA - Quiescent : <6mA - Working frequency: 433 MHZ - Horn sound level: 120-125db - Applicable models: electric vehicles (48V-72V applicable) Package list: 1 x alarm 2 x remote controls