Hobbywing ESC Remote Controller Ergonomically redesigned for comfort, this remote features an oversized roller thumb wheel for ultra-precise acceleration and braking. With a wireless range of up to 15 meters, it ensures a stable and safe connection. The LCD displays: Current Speed Remote Battery Status Board Battery Status Speed Modes: 1 (ECO), 2 (MED), 3 (PRO) Units: KM/H or MPH Wheel Diameter Adjustment: 80mm to 180mm Total Mileage Speed Modes: ECO (Mode 1): Smooth control, beginner-friendly, safe top speed MED (Mode 2): Balanced for everyday riding PRO (Mode 3): Unleashes the board’s top speed Compatible with: BLACK Carve 1 BLACK Carve 2 Challenger Any Hobbywing-based electric skateboard using the same remote Pairing Instructions: Hold the power button on your ONSRA remote for 5 seconds Wait for the “PAIRING” screen Hold the power button on your ONSRA board Follow the on-screen instructions — or watch our quick tutorial video https://www.youtube.com/watch?v=-YJgWg8Ei-I&t=13s