The Olight Arkfeld UV is perfect for travelers who want to check for counterfeit money in hotels, collectors interested in identifying fluorescent minerals, and outdoor enthusiasts. Its body is made of aluminum alloy. It weighs 3.07 oz (battery included), with a height of 0.59 in, length of 4.33 in, and width of 0.98 in. It has 5 brightness levels with a max of 1000 lumens, emits 580mW (365nm wavelength) UV light, and has an ultra - thin, anti - slip design for easy pocket - carrying. It also features a two - way clip, integrated lanyard, and magnetic tail base for convenient use.