24V 250W E-Bike Scooter Brush Motor Controller for Electric Folding Bicycle Accessories Specification: Material: aluminum alloy body Color: Silver Body size: about 80x60x35mm/3.15*2.36*0.14in Net weight: About 120g Working voltage: 24 V Power: 250W Speed regulating handle: 1-4V Brake handle: mechanical normally open Under voltage protection: 20V Controller wiring instructions: For the motor to work, at least four connectors must be connected. First, the two thicker ones on the controller are the blue and white wires connected to the motor (blue positive/white negative), the blue wire is connected to the red wire of the motor, and the white wire is connected to the black wire of the motor. Secondly, the two thicker red wires and black wires of the controller are connected to the battery, the red wire is connected to the positive electrode of the battery, and the black wire is connected to the negative electrode. Third, connect the connector of the speed control handle (the speed control handle has three wires, and the red wire must be connected to the red wire and the black wire to the black wire). The wire with the red plastic head is connected to the electric door lock, open the electric door lock, and the motor can run by turning the handle. Blue plastic head connected to brake light White plastic head, black + yellow wire to brake Black plastic head connected with indicator light The black + red line extending from the largest interface wire is connected to the charging port Note: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 2. Please allow 1-3cm measuring deviation due to manual measurement. Included: 1 x Brush Controller