1、Good Heat Dissipation: Controller outer housing is metal material with grooves design, can protect the internal circuitry with good heat dissipation. 2、Multi Functions: LCD3 display instrument has a variety of functions, such as power display, backlight display, headlight display, brake display, one way time, total riding time, current speed, average speed, maximum speed, 6KM/H thrust power, cruise function, etc. 3、Package Content: Main accessories of the electric bicycle battery conversion kit includes 30A common controller and a LCD3 display meter. 4、Suitable Model: Suitable for 36V/48V 1000W DC motor for electric bicycle to do lithium battery conversion work. 5、Clear Display: While riding your bike, the panel will display a lot of useful data on your bike, making it easier for you to view, such as power, temperature, one way time, current speed and more. Item Type: Bike Controller With Display Material: Aluminum Alloy + Plastic Application: For 36V/48V 1000W DC Motor, Electric Bicycle Conversion Product Size: Controller Box: Approx.171x83x42mm/6.7x3.3x1.7in Instrument: Approx.95x65mm/3.7x2.6in Weight: Approx.873g/30.8oz Power: 1000W Rated Current: 15A Maximum Current: 30±2A Speed Setting: 1-4.2V Brake Input: Low Level Connector Type: Common Connector 1 x Controller 1 x LCD3 Instrument 1 x Instrument Mounting Bracket 4 x Instrument Mounting Bracket Washer 2 x Instrument Mounting Bracket Screw 1 x Instrument Instruction 1 x Controller Wiring Instruction