1.The product should be broad, with high energy efficiency, , low power consumption, easy to use security, energy saving and durable. it is , night camp, the night market traders, driving home emergency power of a good helper. 2. Can be used as a pure sine wave, Modified sine wave, single silicon machine, the first stage booster inverter circuit tetrasilicic machine. DIY enthusiasts for electronic production, maintenance substitution, control cabinet manufacturers supporting and so on. 3. You can use electrical appliances: 0.1-500W , non-inductive household appliances,small electric cookers, (Note: Support for all "electronic ") such as energy-saving / Soldering / switching power supply / satellite TV receivers / lamp / LED lamp / LED energy saving / fluorescent / DVD machine / VCD machine / EVD machine /LCD TV / color TV / flat screen TV / laptop / computer / various computer monitors /charger for all electronic / and so on. Power: 500W Input: DC 12V Output: AC 0-160V-220V- 380V and AC18V Static load current: about 0.35A Output frequency waveforms: about 20KHZ, high frequency square wave Colour:blue Material:plastic Size:about 8x7.5cm Package Contents: 1 x 500W Inverter Boost Board Transformer Power DC 12V TO AC 220V 380V Car Converter Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.