Functions: 1) Stepless speed change and ABS electronic brake 2) Automatically correct code and decode, controller is suitable to all skateboard with same model and does not interfere each other 3) Automatically emergency brake offer safe anti-collision protects 4) Automatically self-testing system troubles 5) Making alarm when wrong operation and insufficient battery happen, automatically shut-off Battery capacity: 3x7Ah 36V Motor power: 600W Charging time: 3 - 6h Speed: Range: Starter: wireless digital remote control-E Battery input voltage: 90-250V Max Load capacity: 120kg Net/Gross weight: 17.5kg/20.5 kg Outer packing: Carton dimensions: 118 x 32 x 23cm