1、Applicability: The 15A controller kit is suitable for 250W motor, and is mainly used for DIY electric bicycles, electric scooters, folding bikes, etc, and is easy to maintain. The modification of the bicycle greatly improves the riding fun and is suitable for cyclists who like challenges. 2、Waterproof Meter: The meter is made of premium ABS material, which is light, strong and durable, with fine workmanship, good toughness and waterproof performance, providing better protection for the internal circuit and making it more durable. 3、Multifunctional Meter: The LCD4 meter has multiple functions, while cycling, the meter will display many useful data on your bike, such as switch buttons, light switches, battery level display and other functions. One display can keep you informed of the situation. 4、Good Heat Dissipation: The controller shell is made of premium metal with indentation design, which can give protection to the internal circuit due to its good heat dissipation function, thus avoiding thermal overload. 5、Fully Equipped: The electric bike modification controller kit includes controller, LCD4 meter, throttle shifter, boost sensor wire, booster sensor booster blade, brake handles, and 5 in 1 connecting wire. Item Type: Electric bike motor controller kit Material: ABS, rubber, aluminum alloy, metal Weight: Approx. 785g/27.7oz Applicable: Applicable to the 250W motor, products with matching communication protocol for KT can be used(Commonly known as No. 1 communication protocol) Controller Size: 80x50x30mm/3.1x2x1.2in Maximum Current: 15 ± 1A Rated Current of Controller: 7A Controller Speed Setting: 1-4.2V Applicable Motor Power: 250W Braking: Input low level 1 x Controller 1 x LCD4 Meter 1 x Throttle Shifter 1 x 8C Power Assist Sensor Wire 1 x 8C Power Assist Sensor Sheet 2 x Brake Handle 1 x 5 in 1 Connecting Wire 2 x Instructions