TDPRO 48V 1000W Brush Speed Motor Controller for Electric Scooter Bicycle e Bike Tricycle

Specifications:  Rated voltage: 48V DC Match motor: 48V 1000 W Conversion efficency: 95%  Under Voltage Protection: 42±0.5V Speed regulator (throttle): 1-4 V Wiring: This controller has 8 connectors, compatible with many 48V bikes with up to 1000W motors 1. Battery / 2. Motor / 3. Brake  / 4. Brake light  / 5. Indicator light / 6. Ignition lock / 7. Charger port / 8. Derailleur (throttle) These controllers have 4 groups neccessary cables: Battery, Motor, Ignition lock, Derailleur (throttle), when hook up these 4 groups cables, the E-bike can run normally.  Besides, this controller have other optional functions, you can hook them up according to your applications.