Applicable model: electric bicycle, electric scooter, electric vehicle, toy scooter etc.. This controller and lcd display must connect the motor hall sensor and throttle! Fine workmanship and perfect style. Easy to install and durable in use. High Wear-resistant and excellent durability. 100% Band new and high quality. This controller only works with sensored brushless DC motor Throttle diagram:Red: +5V Green:signal Black:ground Features: 1)Rated voltage: DC36V48V52V60V(Connector to Self-study for choose ) 2)Rated power: 350W 3)Max current: 18A 4)Under-voltage protection: 30/40V/44V/52V+-0.5V 5)Current limited: 18A 6)Efficiency: 83% 7)Consumption: Less than 1.5W 8)Controller category: Brushless direct current Color: As Shown Material: aluminum plastic And the speed limit can works for both pedal assist and throttle . All of our standard LCD and controller sets 1-5 speed for pedal assist and throttle , all the standard sets works like this. Package Contents: 1 x Controller Ebike 1 x FC100 LCD Display Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.