Model 1500W Working condition:Put the product in the dry, ventilated and cool place. Keep the product away from water or rain. Working Temperature 14°F~ 158°F ( -10℃~ +70℃) Working Humidity 20%~90%(relative humidity) Input Voltage range DC 12V/24V/48V No-load current ＜0.8A Output Voltage range AC 100V/110V/120V/220V/230V/240V Frequency 50/60±2 Hz Waveform Pure Sine Wave Maximum power 1500W Peak power 3000W Protection Undervoltage alarm DC 10.5±0.2V/21±0.2V/42±0.5V Undervoltage shutdown DC 10±0.2V/20±0.2V/40±0.5V Overvoltage shutdown DC 15±0.2V/30±0.2V/60±0.5V Protection temperature 167°F (75℃) Package Machine Size 370*150*70mm Net weight 3.2±0.5KG Packing Box Size 460*198*138mm Packing Carton Size 475*415*300mm Packing quantity/Carton 4 pieces Other Start:Soft Start Cooling Ways:Cooling Fan Storage Temperature -22°F~158°F（-30℃~ +70℃） Efficiency ＞90% Harmonic Content ＜3%