Features1Metal Controller: The controller shell uses high quality aluminium alloy metal with groove design, which has a good heat dissipation function and can protect the internal circuit to avoid thermal overload. 2LCD4 Display Meter: The LCD4 Display Meter can display many useful data, you can easily view these data, such as power display, battery voltage, backlight display, headlight display, brake display, riding speed, maximum speed, total one way distance, for pas sign, 6km/h thrust power assist, cruise function, etc. 3Easy to Install and Use: The electric motor controller kit is very convenient to use, just follow the wiring diagram for wiring. The LCD display meter is easy to install. 4Stable and Sensitive Control: This controller set allows stable and sensitive speed control of braking and direction changes. 5Application: The kit includes KT 22A full waterproof controller, LCD4 display meter, 130X throttle, 8C power assist sensor, 1 pair brake levers and 1 to 4 wire, which is suitable for 36V/48V 500W brushless motor electric bicycle conversion.SpecificationItem Type: Electric Motor Controller KitMaterial: Aluminum Alloy + PlasticProduct Color: As Pictures Shown Controller Box Size: Approx. 125x66x39mm / 4.9x2.6x1.5inProduct Weight: Approx. 989g / 34.9ozController Connector Type: Waterproof ConnectorController Rated Voltage: DC 36V/48VController Rated Current: 11AController Maximum Current: 221AController Speed Setting: 1-4.2VController Brake Input: Low LevelController Low Voltage Protection: DC 30/400.5VApplicable Motor Power: 500WLCD Display Meter Function Description: Switch button, up button, down button, battery level indicator, throttle sign, 6km/h power assist, brake sign, cruise sign, travel distance, total distance, backlight and headlights, powerassistedsensor sign, maximum speed, riding speed (Metric system), battery voltage, distance (metric system).Package List1 x 22A Controller1 x LCD4 Display Meter1 x Meter Manual1 x Throttle1 x 8C Power Assist Sensor2 x Brake Lever1 x 1 To 4 Wire1 x Controller Wiring Manual