1. Packing List: Electric bike conversion kit include 25A controller, LCD LCD KT-LCD instrument, 130X thumb throttle, speed assist sensor.2. Controller Housing: Made of high quality metal with design, it can protect the internal circuit due to good heat dissipation, thus avoiding thermal overload.3. Scope of Application: Suitable for 500W motor, DIY electric bicycle, electric vehicle, electric scooter, folding bike, etc. Easy to maintain, electric bicycle greatly improves riding fun, for cyclists who like challenge.4. Durable Material: Using ABS material, it is light, strong and durable, with good toughness and waterproof performance, providing better protection for the internal circuit.5. LCD Backlight Display: LCD KT-LCD10display meter has a variety of functions, which can clearly display the status and data. When riding bicycle, it will display many useful data on your bicycle, such as battery display, speed display, battery indicator, fault indicator, total mileage, single mileage, current speed, average speed, maximum speed, gear display, etc.Colour:blackMaterial:Plastic + MetalPackage Contents:1 x 25A Quantum Control1 x meter KT-LCD101 x eight magnetic point power assist sensor1 x 130X finger dial1 x silver brake leverOnly the above package content, other products are not included.Note: Light shooting 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.