Waterproof IP67 RatingGDSTIME small waterproof dc axial fans are built to withstand the humid/dust-exist harshest outdoor environments; Use your equipment without worrying about rain, splashes, dusty conditions, or brief submersion; idea for any outdoor electronic equipment cabinet or DIY project Superior Cooling EfficiencyDesigned for projects in high humidity environments or hot confined spaces that requires cooling or ventilation; circulate fresh air; Popular used in RV Fridge, Inclosed Stereo Cabinet, Small Mushroom Fruiting Chamber, Vivariums, Terrariums, Solar Inverter Heat sink, Oil Burning Heaters, Compressor, DIY Solar Generator Waterproof Motor Long-lasting up to 50000hrsAll our 80mm IP67 fans Feature a brushless motor with precision dual ball bearings; The pcb board and whole motor of the fan iscoated with a cured layer of adhesive film for protection against moisture, water and dust; even during rainy weather, without