Features: Made of flame retardant plastic material for durability With wireless remote control, you can control from a distance Can be installed on the wall without taking up space Generally installed indoors With over current, short circuit, over voltage, under voltage, over temperature and other protection functions Applied to fans, air conditioners, motors, etc. Specification: Condition: 100% Brand New Model: JFD-H2022 Shell Material: Flame Retardant Plastic Power Phase Number: Single Phase Rated Voltage: Single Phase 220VAC Adapted Motor Power: 2.2KW Output Voltage Regulation Mode: PWM Control Installation Location: Indoor (less than 1 km above sea level, no dust, no corrosive gas and no direct sunlight) Frequency control: 0-50hz (arbitrary stepless speed regulation of motor, fan with air supply and exhaust function) Installation Method: Wall-Mounted Applicable Environment: -10¡æ~ +40¡æ,20% ~ 90% Rh (No Condensation) Vibration: Less than 0.5g Protection Level: IP20 Cooling Method: Forced Air Cooling. Size: Approx. 160 * 120 * 95mm / 6.3 * 4.7 * 3.7in Weight: 915 g / 32.3 oz(approx.) Package List: 1 * Variable Frequency Drive Inverter(with remote control, without battery) Note: 1. This product has remote control function. This model is only applicable to fan and air conditioner motor specifications: 220VAC 1.5KW (single input and three output) 2. Input power supply voltage: single phase 220VAC ¡À5% 3. Output power supply: three-phase 220VAC 4. Frequency control: 0-50Hz (fan motor can be stepless speed regulation, fan has air supply, exhaust function)