The current of AC 220V used at home is a Pure sine wave. It is a DC to AC inverter! POWER SELECTION 1) 500W 2)1000W Brand Name: TOP-UP/SCL Output Frequency:50-60Hz Output Current:2.3A Inverter type: Modified sine wave inverter USB charging :5V1A ADVANTAGES =OPEN VOLTAGE PROTECTION =SHORT CIRCUIT PROTECTION =HIGH TEMPERATURE PROTECTION =LOW VOLTAGE PROTECTION =OVERLOAD PROTECTION =REVERSE BATTERY PROTECTION Feature: - Pure sine wave - Soft start - PWM(Pulse Width Modulation) - Microprocessor based design - With power ON/OFF switch and LED indicator Product Applications: Power tools series : Electric Saw Drilling Machine Grinder Sand blast Machine Punching Marchine Weeding Machine Office series : Computer Printer LCD Monditor Household Appliance series: Dust Collector Lamp or LED Sewing Marchine #powerinverter #inverter #dctoac #500w #camping #outdooractivity #emergency #carinverter #solarinverter #office