... traffic lights; etc.2) industrial equipment series: solar, wind power and metal-halide lamp, etc. 3) office: computer, printer, duplicator, ... batteries, 5) family electricity equipments: electric fan, cleaner, and lighting, etc. 6) inverter 12v 500w are used for lectric ... tool series: power saws and drills, stamping equipment, air compressor, etcAdjustable protection / ...