Features： 1、Fully 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. 2、Metal: The controller housing is made of metal with a grooved design, which protects the internal circuits from thermal overload due to good heat dissipation. 3、Fine Workmanship: The meter is made of 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. 4、Various 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. 5、Widely 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. Specification： Item Type: Electric Bike Motor Controller Set Gross Weight: 1010g/35.6oz Material: ABS, rubber, aluminum alloy, metal Applicable: 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 Package List： 1 x Controller 1 x GD06 Meter (Including Bracket Button Line) 1 x Throttle dial (Wire Included) 1 x 8C Power Assist Sensor Wiring 1 x 8C Booster Sensor Booster Sheet 1 x Headlight (Wire Included) 1 x Tail Light 1 x Tail Light Wire 1 x Horn Light Button (Wire Included) 1 x Four in One Cable 2 x Manual