For Electric Bicycle Scooter 36V/48V 350W Brushless DC Motor Speed Controller

Product Description: Voltage: 36V/48V Wattage: 350W Throttle: 1-4V Short voltage protect: 31.5±0.5V/42±0.5V Color: silver Dimension: 105 x 70 x 35mm/4.13 x 2.76 x 1.38″ Casing material: Aluminium Note: Square wave Controller Made of aluminium alloy, this brushless controller is sturdy and durable. This item is a brushless motor controller, it can provide steady speed and sensitive control of braking and direction changes. 100% New & 100% Tested & Fast Free Shipping. Easy to install,Direct replacement, NOT require any modification. How to use? Turn off the power before wiring. .