- This item Suitable for electric bike & scooter
- Speed Regulator 1-4 V(Throttle )
- Protection:20V+-0.5V
- Current Limit:28A+-1AShort Voltege
- Match Motor:24V 500W
4v 4 Volt 500w Motor Brush Speed Controller for Electric Bike Bicycle Scooter
4v 4 Volt 500w Motor Brush Speed Controller for Electric Bike Bicycle Scooter