Built-in filter, strong anti-interference ability, control motor is more stable. Control motor start, stop, speed control. The output voltage regulation mode is PWM control, and the control is more precise. The outer casing is made of flame retardant material, which is resistant to high temperature and safe to use. The bottom heat dissipation effect is good, effectively ensuring the normal operation of the controller and prolonging the service life of the controller. Power phase number: single phase. Input method: single phase 220V AC input. Output mode: single-phase 220V AC output. Power supply voltage: 220V AC 50/60Hz. Supply voltage: Low voltage. Adapted motor power: 2.2 (kW). DC power supply properties: voltage type. Control mode: V/F closed loop. Output voltage regulation mode: PWM control. Rated current: 12 (A). (WxHxT) 125 x 175 x 125 (mm). 1 x VFD Speed Controller. 1 x English User Manual. The actual product color may deviate from the photo due to light. There may be a slight deviation in the measurement of product. We will reply your message within 48 hours. If you do not receive our reply within 48 hours, pls. Post a message again because sometimes our message system may block some emails. If you are satisfied with our service, pls. Our aim is to provide Level Customer Service, your recognition will encourage us greatly and serve you better. We strive to keep all our customers satisfy. We will do our up most to exceed your expectations in customer service, communication and dispatching of your orders.