The WF30RE is an intrinsically safe flashlight, intended for all areas at risk of explosion, excluding underground mines. It has passed the necessary tests and was certified by IECEx, ATEX, CSAandNEPSI. Thus this product can be safely used in Zone 1 and Zone 2, where there is explosive gas mixture belongs to IIA, IIB and IIC; and it can be used in combustible dust areas: Zone 21 and Zone 22 as well, such as petroleum, chemical and textile industries, fire controlling, metallurgical areas, electric power stations and areas, and paper producing plants, etc.