Iuhan&reg; Fashion UV Ultra Violet 21 LED Flashlight Mini Blacklight Aluminum Torch Light Lamp Perfect suitable for household, outdoor activities, hiking, night fishing, camping Note:Due to the intensity of this UV LED device, UV protective glasses are recommended. Great for checking notes, credit cards, fluorescent inks (invisible inks), cracked glassware, or even crime scene. Material: Aluminum Alloy Package Content : 1 X Flashlight