Features: Efficient and energy-saving, adjustable speed, suitable for single-phase motor 220V.<br> Adopting advanced frequency conversion technology to achieve precise control of motor speed.<br> Equipped with multiple Protections functions for stable and safe operation, such as Over Current Protections,Over Voltages Protections,Overloads Protections, Overheats Protections.<br> The control panel can be extended for external connection, making it more convenient to use.<br> Widely used in various single-phase motor-driven equipment and machinery, such as water pumps, fan, compressors, etc. The speed can be adjusted according to demand.<br> Specifications: Shell materials: plastic<br> Type: 1.5kw/2.2kw/4kw<br> 1.5kw/2.2kw Size: about 82x135x155mm/3.23x5.31x6.1in<br> 4kw size: about 130x160x170mm/5.12x6.3x6.69inch<br> Overloads capacity: 150%<br> Starting torques: 0.5HZ/150%<br> Frequency resolution: 0.01Hz<br> Package Includes: 1pc Variable Frequency Drive Inverter<br> note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to difference between different monitors, the picture may not reflect the actual color.