1、Manufacturing Material: The controller housing is made of high quality aluminum alloy and plastic materials, strong and durable, which undoubtedly extends its service life. 2、Groove Design: The groove design can better protect the internal circuit and avoid thermal overload due to its good heat dissipation function. 3、Multifunctional LCD5 Display Meter: The LCD5 display meter has a variety of functions that make it easier to view data on the panel. When riding , the product will display many useful data on your bike, such as power display, battery voltage, backlight display, headlight display, brake display, temperature, one way time, total travel time, current speed, average speed, maximum speed, total one way distance, 6km/h thrust power, cruising function, etc. 4、Electric Bicycle Lithium Modification Kit: Electric bicycle lithium modification kit contains 30A common controller and LCD5 display instrument combination small parts, suitable for 36V, 48V 1000W DC brushless electric bicycle lithium modification. 5、Display Instrument Function Description: Up button, switch button, button down, PAS marking, battery capacity indicator, cruising function, power function, one way time, total travel time, throttle display, 6km/h thrust power system, cycling speed (metric and british system), maximum speed, average speed, distance (metric and british system), travel distance, total distance, battery voltage, brake display, backlight and headlight. Item Type: 1000W Electric Scooter Controller Weight: Approx.768g / 27.1oz Material: Aluminum Alloy + Plastic Controller Box Size: Approx.171 x 83 x 42mm / 6.7 x 3.2 x 1.7in Instrument Size: Approx.77 x 50mm / 3.0 x 2.0in Instrument Wire Length: Approx.179.5cm / 70.7in Controller Connector Type: Common Connector Rated Current Of The Controller: 15A Maximum Current Of Controller: 30±2A Controller Speed Setting: 1-4.2V Controller Brake Input: Low Level Applicable Motor Power: 1000W 1 x Controller 1 x LCD5 Meter 1 x Instrument Manual 1 x Controller Wiring Manual