Product Description: Item Type: Electric Cycling Controller Kit Material: Aluminum Alloy, ABS Plastic Dimensions: - Controller Box: Approx. 125 x 65 x 40 mm (4.92 x 2.56 x 1.57 in) - Display: Approx. 96 x 68 mm (3.78 x 2.68 in) Specifications: - Rated Voltage: 36V, 48V - Rated Current: 11A - Maximum Current: 22 1A - Speed Setting: 1-4.2V - Brake Input: Low level - Low Voltage Guard: 30, 40 0.5V - Compatible Brushless Motor Power: 500W Connector Type: - Waterproof 1 to 2 cable: One end connects to the controller, the other ends connect to the display and throttle. Controller Cable Definitions: 1. Red, Black Single Wire: Power Wire 2. Black Single Wire (9-pin): Motor Wire 3. Black Single Wire (9-pin): 1 to 2 Cable 4. Black Single Wire (3-pin): PAS Assist Sensor Wire Package Includes: - 1 x Controller - 1 x Throttle Handle - 1 x Assist Sensor - 1 x Controller Wiring Manual - 1 x 2-in-1 Connection Line - 1 x Display - 1 x Display Mounting Bracket - 4 x Display Mounting Bracket Gaskets - 2 x Display Mounting Bracket Screws - 1 x Display Manual Note: Ensure that the modified kit is fully waterproof.