Sine Wave Speed Controller 60V-72V Big Power E-Bike Brushless Motor Sensor 【Name】 Electric Vehicle Sine Wave Controller 【Model】SL-QX-FT72 【Voltage】48V/60V/72V 【Undervoltage】42V/52V/62V 【Power】1500W 【Current】50A 【Material】Aluminium alloy + ABS 【Specification】18*9*5.5CM(As shown) 【Weight】Bare weight 0.785KG/0.86KG (including packaging) 【Packing】 Bubble bag + cardboard box 【Packaging size】21.5*11*6.2CM 【Features】New structure sine wave controller, silent operation, strong power, effectively reduce vibration and noise, greatly enhance the service life of the motor.