1. The product should be wide, high energy efficiency products, low power consumption, easy to use safety, energy saving and . it is wild, night camping, night market vendors, driving home emergency power of a good helper. 2. Can be used as a pure sine wave, modified sine wave, simple silicon machine, the first stage booster inverter circuit tetrasilicic machine. DIY enthusiasts for electronic production, maintenance replacement, control cabinet manufacturers supporting products and so on. 3. You can use electrical appliances: 0.1-500W lamps, non-inductive household appliances, small electric stoves, (Note: Support for all "electronic products") such as "energy-saving lamps / Soldering iron / switching power supply / satellite TV receiver / lamp / LED lamp / LED energy-saving lamps / fluorescent lamps / DVD machine / VCD machine / EVD machine / LCD TV / color TV / flat TV / laptop / computer / various computer monitors / chargers for all electronic products / and so on. Power: 500W Input: DC 12V Output: AC 220V Static load current: about 0.35A Output frequency waveforms: about 20KHZ, high-frequency square wave Protection: no protection Color: As Shown Material: PCB Package Contents: 1 x 500w Inverter Module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the real one. The allowed measurement error is +/- 1-3 cm.