1. High energy efficiency, long life, low power consumption, convenient and safe to use, energy saving and, widely used in the field, night camps, night market vendors, emergency aids for driving and family power outages 2. It can be used as a boost inverter circuit of pure sine wave, modified sine wave, single silicon machine and four silicon machine. For electronic enthusiasts, DIY production, maintenance and replacement, control cabinet supporting product manufacturers, etc.3. You can use electrical appliances: lamps, non-inductive household appliances, small electric rice cookers (note: supports all "electronic products") such as: energy-saving lamps/welders/switching power supply/satellite TV receiver. /light bulb/LED lamp/LED energy-saving lamp/fluorescent lamp/DVD player/VCD player/EVD player/LCD TV/color screen TV/flat screen TV/laptop/computer/various computer monitors/all electronic charger products/etc. 4. Note: This board is a high-frequency square wave AC output, so