Made of high-quality materials, Used to replace electric bike part,for ebike scootoer,and motor series motors Three position speed display power.MAX 199KM/h,support motorcycle support Voltage. Headlights. Steering.Speed. Km. Single/cumulative mileage positive control. Support phase line speed measurement First line speed. Gear. breakdown design for ebike bicycle,9pin interface, positive and negative control universal Description: *Supports 2 different installation methods:screw and buckle, quick release buckle *easy to use and install,support48-72V, High light wide large screen displayBelt support ,good compatibility Specification: type: Motor Controller display Color: black Material:plastic for ebikes,scooters,1N1 DJ9, F6 interface:9PIN voltage conversion:support weight:250G MAX speed display:199KM/h Working voltage:48-72v[Disconnect supports 48V and 72V, connection supports 60V] Temperature range:-20-150C Package Contents:1*electric bicycles Display Only above package content, other products are not included. Note: Light reflection and different displays may cause color of item in picture a little different from real thing. The measurement allowed error is +/- 1-3cm.