... .4.Forced air cooling by built-in DC fan.5.Built-in cooling Fan ON-OFF control6.100% full load burn ... and lighten the future of the world.Application:• Power tools series: Electric Saw, Drilling Machine, Sand blast Machine, Weeding Machine ... Scanning Machine etc. • Household Appliance series: Dust Collector, Fan Lamp or LED, Sewing Machine etc. • Kitchen Appliance series: Microwave Oven, Fridge etc. • ...