No odor: the odor is "24V DC Cooling Fan" smell of varnish coating on the copper produced during the operation, in the purchase of electric fans have to smell, see this paint is environmentally friendly, whether through quality testing, let you enjoy the cool wind in the fresh air.
        Electrical Safety: "24V DC Cooling Fan" safety requirements, national standards set forth very detailed, consumers can perform simple tests. Eligible fans, general adult fingers can not reach through the grille and the front edge of the blade, families with children should choose nets dense "24V DC Cooling Fan".