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 protocolController Size: 120x53x33mm/4.7x2.1x1.3inController Rated Voltage: DC 36V/48VController Current: 25AController Speed Setting: 1.1 to 4.2VSupercharger: 1:5Applicable Motor Power: 750WBrake: Input low levelController Line Definition:1. Black Single Wire: Motor,9pin2. Black and Red Single Line: 2PCS Battery Power3. Black, Yellow and Brown Three Pin Thread: PAS, 3pin4. Black, White and Red Three Pin Thread: ThrottLe, 3pin5. 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, 2pin8. Five Pin Multi Color Line: Display, 5pin 1Fully Equipped: The electric bike controller kit includes controller, GD06 instrument, accelerator dial, power assist sensor wiring, power assist sensor booster sheet, headlight, tail light, horn light button, and four in one connection cable. There are many kinds of sets, suitable for all needs. 2Metal: The controller housing is made of premium metal with a grooved design, which protects the internal circuits from thermal overload due to good heat dissipation. 3Fine Workmanship: The meter is made of premium ABS material, which is light, strong and durable, with fine workmanship, good toughness and waterproof performance, providing better protection for the internal circuit and making it more durable. 4Various Functions: The GD06 meter has a variety of functions, such as switch buttons, light switches, battery level display and other functions. A large display screen can keep you informed of the situation while riding. 5Widely Applicable: This electric bike controller kit is suitable for 750W motor and is easy to maintain. Mainly suitable for DIY electric bikes, electric scooters, folding bikes, etc.