Features: Throttle accelerator for electric bicycle with power display. 5 LED battery indicator provides you with much convenience.   Suitable for many electric bikes, making biker safety when riding a electric bike, bicycle. With skid resistance grain design, safer and comfortable to grip when driving. The cable length is approximately 59 inches (1.5m), convenient and reliable to use.      Easy to install, fits for standard 7/8 inch (22mm) handle bars. With undervoltage protection function, the angle of rotation is 0 ° -70 °.  Specification: Item Type: Speed controller throttle grip kit Condition: Brand new Material: Aluminum+ABS Color: As pictures shown Current Limit: 32A Rated Power: 1000 W Undervoltage Protection: 42 V Motor Set: DC motor brushless Accelerator Torsion Clamp: Speed Adjustment Signal: 0.8V -4.3V  Power Display:  Normal: 48V above, 3 green LED  Half: 47 V -42 V, yellow LED  Vacuum: 42 V or less, red LED  Angle of Rotation: 0 ° -70 °  Operating Temperature: -20 -+ 50℃ Fitment: Fits handle bars of standard 7/8 inch (22mm)  Battery Indicator: 5 LEDs  Cable Length: Approx.59 inches/1.5m Definition of Controller Cables Interface:  Motor: Yellow thick (negative motor) / blue thick (positive motor)  Sport: Yellow slim / green slim(speed limit, connect the wires together)  Battery: Thick black (negative power) / red thick (positive power)  Motor: Yellow thick (negative motor) / blue thick (positive motor)  Power Switch: Red ultra-slim (VDC) / blue ultra-slim  Indicator: Red ultra-slim (indicator power output) / black ultra-slim (negative indicator)  Brake : Yellow thin (brake signal) / black ultra-slim (negative power) Speed Regulator: Thin blue (speed handlebar signal input) / thin black (negative power) / thin red (5 V positive power)  Charging Port: Thin red (positive charge input power) / thin black ( negative power)  Brake Light: Red slim (positive power) / black slim (negative power)  Sport: Yellow slim / green ultra-slim(speed limit, connect the wires together)    Package List: 1 x Controller 1 x Accelerator 1 x Power Cord 1 x Handle