Description: It combines whole wire function for bike, can directly connect brake, rolling handle and function to meter, very simple and concise. Note The product: 24V250W and 24V350W don't includ a lamp Optional function to upgrade meter: Support hibernation state if no action for a certain time Support meter control whole bike electricity switch Support control assistance power on/off Support control cruise on/off Controller characteristics Support external speed test hall sensor Support brake power cut off sensor Support non-zero start(motor hall/outside speed test hall both are ok) Support high differential motor>5000revolution LCD meter characteristics: Meter switch control bike electric switch, if meter on then whole bike electric switch is on, if meter off then whole bike power off. Support meter hibernate, if no action for 3minutes, the bike is in hibernation mode (this mode: meter has no 0 gear, whole bike power off, press button to restart) Long press c button control assistance power on/off, default setting assistance power is on; short press c button control light on/off(under model that has light port) 0 gear-assistance power 50% (7A) throttle 100% (approximate 35mile) 1 gear-assistance power20% (3A) throttle 30% (approximate 6mile) 2 gear-assistance power 40% (5.5A) throttle 45% (approximate 13mile) 3 gear-assistance power 60% (8.5A) throttle 60% (approximate 20mile) 4 gear-assistance power 80% (11A) throttle 80% (approximate 27mile) 5 gear-assistance power 100% (14A) throttle 100% (approximate 35mile) Controller function brief introduction: 1.Speed control handlebar throttle: can connected with common handle bar, potentiometer, pedal accelerator, default start stationary state: green signal wire has 0.8v voltage, when reach to 1v, bike moves, and reach to 3.4v, bike reach to full speed, if 3.6-4.2v, bike will not move. 2.Brake and cut off power-low level brake, connect with brake handle switch, after the operation of mechanical brake, cut off signal into controller, the controller is cut off power.