25A Electric Bike Motor Controller Set with GD06 Meter Lights Switch Brushless Motor Controller LCD Panel Kit 750W Item Type: Electric Bike Motor Controller SetGross Weight: 1010g/35.6ozMaterial: ABS, rubber, aluminum alloy, metalApplicable: For 750W motor, the matching communication protocol is UART, commonly known as No. 2 communication protocol Controller Size: 120x53x33mm/4.7x2.1x1.3in Controller Rated Voltage: DC 36V/48V Controller Current: 25A Controller Speed Setting: 1.1 to 4.2V Supercharger: 1:5 Applicable Motor Power: 750W Brake: Input low level Controller Line Definition: 1. Black Single Wire: Motor,9pin 2. Black and Red Single Line: 2PCS Battery Power 3. Black, Yellow and Brown Three Pin Thread: PAS,  3pin 4. Black, White and Red Three Pin Thread: ThrottLe, 3pin 5. Black and Yellow Pin Thread: 2PCS Brake, 2pin  6. Black and Red Two Pin Thread: Headlight,  2pin  7. Black and Red Two Pin Thread: Rearlight, 2pin 8. Five Pin Multi Color Line: Display, 5pin