[Good heat dissipation] The controller shell is made of high-quality metal, and the professional design has excellent cooling capacity, which effectively the internal circuit from thermal overload and prolongs the service life of the controller kit.

[S900 Monitor] The multifunctional S900 monitor can be used as a computer after conversion to control the entire electric system. Compatible with both 36V and 48V voltages, it truly reflects battery power, records power consumption in real time, and ensures riding mileage.

[Panel data display] Color display screen, you can check a lot of riding data, such as remaining power, current speed, average speed, maximum speed, clock, total one-way mileage, etc. It is very helpful for riding, and it is easy to install and disassemble.

[How to Use]Define the cable connection according to the cable color of the controller .1. Long black wire motor wire. 2. Red and black single short cable power cable. 3. Black long wire (fine hole 9 pin) 1 to 4, 1 to 5 (9 cores). 4. Black wire red light wire (2pin).5. Black wire yellow power sensor wire (3pin). For specific instructions, please refer to the manual

[Package included] modification kit includes 30A controller, S900 meter, 130X gear lever, 8C sensor, brake handle, 1 to 5 connecting cable and tail light combination kit, suitable for 36V, 48V, 1000W electric lithium battery modification.