Features 1、PCB board adopts military-grade board, wear and corrosion resistant, the size is 8 cm * 7.5 cm 2、The inverter module has the characteristics of high energy efficiency, low power consumption, energy conservation and durability 3、Can be used as front-stage boost inverter circuit of pure sine wave, trimming sine wave, single-silicon machine and four-silicon machine 4、This product can be used for electronic enthusiasts DIY production, maintenance 5、It is a good helper for field and night market vendors, traffic, and family power failure emergency Specification Features: 1. PCB board adopts military-grade board, wear and corrosion resistant, the size is 8 cm * 7.5 cm. 2. The inverter module has the characteristics of high energy efficiency, low power consumption, energy conservation and durability. 3. Can be used as front-stage boost inverter circuit of pure sine wave, trimming sine wave, single-silicon machine and four-silicon machine. 4. This product can be used for electronic enthusiasts DIY production, maintenance replacement, can also be used as a control cabinet accessory products of manufacturers. 5. It is a good helper for field and night market vendors, traffic, and family power failure emergency. 6. Appliances that can be used: 0.1W-500W lamps, non-inductive household appliances, small rice cookers (Note: Supports all "electronic products"). Such as Energy Saving Lamp/Solder/Switching Power Supply/Satellite TV Receiver/Light Bulb/LED Light/LED Energy Saving Lamp/Fluorescent Lamp/DVD Player/VCD Machine/EVD Machine/LCD TV/Color TV/laptop/computer/ All kinds of computer monitors / all electronic charger products, etc. Specifications: Power: 500W Input: DC 12V/24V Output: AC 0-220V-380V and AC18V Static No-load Current: Approx. 0.35A Output Frequency: Approx. 20KHZ High Frequency Square Wave Protection: Without Any Protection Size: 8 x 7.5 x 4 cm / 3.1 x 3.0 x 1.6in Weight: Approx. 186g Package List: 1 x Inverter Module Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.