1、Good Heat Dissipation Function: Shell is made of aluminum alloy with groove design, which can protect the internal circuit and avoid thermal overload. 2、Applicable Model: Kit includes 30A ordinary controller and LCD8H display instrument, suitable for 36V/48V 1000W DC brushless motor for electric bicycle lithium battery modification. 3、Display Instrument Functions: Up button, switch button, down button, PAS sign, battery capacity indicator, running sign, battery voltage, ambient temperature in celsius, and ambient fahrenheit. 4、LCD8H Display: Meter has a variety of functions, allowing you to more easily view the data on the panel. When riding bicycle, it will display a lot of useful data on your bicycle. 5、Driving Data Display: Such as power display, backlight display, headlight display, brake display, one way time, total travel time, current speed, average speed, maximum speed, total one way distance, 6KM/H thrust assist. Item Type: Electric Bicycle Controller Instrument Kit Color: As Pictures Shown Material: Aluminum Alloy + Plastic Weight: Approx.850g/30.0oz Size: Controller Box: Approx. 171x83x42mm/6.7x3.3x1.7in, Meter: Approx. 109x67mm/4.3x2.6in, Meter Cable Length: Approx. 179.5cm/70.7in Controller Connector Type: Ordinary Connector Controller Rated Current: 15A Controller Maximum Current: 30±2A Controller Speed Setting: 1-4.2V Controller Brake Input: Low Level Applicable Motor Power: 1000W 1 x Controller 1 x LCD8H Meter 1 x Instrument Mounting Frame 4 x Instrument Mounting Bracket Gasket 2 x Instrument Mounting Frame Screw 1 x Instrument Manual 1 x Controller Wiring Manual