... frequency:50Hz/60Hz 5.high quality DC AC Inverter 12V/24V to 220V 150W Power Inverter 1. Efficiency:>85%2. 12V/24v dc ... /100W/150W/200W/300W/350W/400W 500W/800W/1000W/1200W/1500W/2000W/3000W5. Peak power:250W6. Overload protect ,over voltage protect ,low ... stereo ,etc.300W: 20TV ,VCR Combo ,computer ,printer ,Fax ,etc.500W: Home stereo ,Blender ,Fan ,etc.1000W: Coffee maker, portable vacuum ...