1. include English User's Manual
2. ex-stock for prompt delivery
3. can design the single phase/high voltage inverter

1. built-in low-frequency sleep function to prevent the low-speed operation of the water pump 2. excellent starting characteristic, low-frequency high torque 3. built-in frequency tracking starting function to prevent the overcurrent during the starting of the motor in operation 4. Chinese and English liquid crystal display 5. A group of analog signal output, which can be set by the output content user in the program 6. built-in PID adjustment function