Specifications Hign-concerned Chemical:None Origin:Mainland China Description: *100% brand new and high quality *Made of high quality material, durable and practical to use *Suitable for Electric bicycle *The S830 LCD has a variety of functions, which can be used as a driving computer or control the entire E-Bike system after conversion *If PAS is installed, the LCD can let the driver choose the required auxiliary level. It displays the remaining battery, current speed, average speed, maximum speed, clock, total travel and one-way distance Specification: *Material: Metal+ABS *Color: Black+Silver *Weight: 350g *Model: 24V-48V250W / 24V-48V350W(optional) *Size: As Pictures Show Package Includes: 1 x LCD Display+Controller(optional) or 1 x Controller(optional) Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.