Features 1、Compatibility: 20A sine wave controller is suitable for 36V350W, 36V500W, 48V350W, 48V500W brushless motors with or without hall. And comes with self learning function. 2、Heat Dissipation: The controller housing is made of aluminum alloy with groove design, which has good heat dissipation performance and can protect the inner circuit to avoid thermal overload. 3、Sensitive Control: The 20A sine wave controller can provide steady speed and sensitive control of braking and direction changes, ensuring a smooth and enjoyable riding experience. 4、LCD Display Panel: The panel is lightweight, sturdy, with fine workmanship, good toughness performance, providing better guard for the internal circuit and making it more long lasting. 5、Easy to Use: The LCD display panel can clearly display the status and data, and the backlight allows you to see the screen clearly in a dim environment. LCD display panel with button is easy to use. Item Type: 3 Mode Sine Controller LCD Display Kit Material: Aluminum Alloy, ABS Controller Size: Approx. 122x84x40mm / 4.8x3.3x1.6in LCD Panel Size: Approx. 80.44x47.6mm / 3.2x1.9in Package List 1 x 3 Mode Sine Wave Controller 1 x Panel 2 x Manual