Strong anti-rust Thickened material, aluminum material is conducive to good heat dissipation of the controller, ensuring the normal driving of the vehicle 40A controller is suitable for 1500W, 2000W motors Smart chip product high performance is more stable data security first H-100 instrument large screen display, simple operation, diverse functions, waterproof and sweat-proof simple page clear at a glance Type:40A three-mode controller Rated voltage:36V/48V/52V Communication protocol:No.2 communication protocol Brake input:low level Field effect transistor:15 tube Current:40±1A Product name:LCD display Core wire specification:5pin+2pin Operating temperature:-20℃-60℃ Voltage:24V-72V Connector:ordinary connector Colour:Black Material:aluminum Package Contents: 1 * H-100 Display Meter 1 * Controller 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.