Power on / off function of power supply, it turn off automatically after waiting for 5 minutes. The four-bit Smart Power display can be a true reflection of the state of charge of the battery to the Remote. High, medium and low gears of gear switch and gear indicator imitation torque enhancers, with Gear Memory Function, the ignition can automatically recover the gear state during shutdown. Pulse function of 6 Km / h, and the increase light flashes during the impulse, it can be used by during driving a vehicle, and driving the vehicle be easy. Low voltage indication function, when the battery is in low voltage, the low voltage indicator flashes. The adoption of five lines of digital communication is with a function of versatile parameters self- adjustment, users can adjust the settings such as motor parameters, speed parameters , Parameter according to different models. The inst ent has good interchangeability, and different inst ents can exchange directly with each other and copy the data parameters; The power supply voltage is 36V and 48V. Upgraded components: waterproof connectors to cope with changing weather Colour: black Material: composite material Size: 8 x 4cm Package Contents: 1 * Ebike-Controller Display Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.