The item is a portable and practical Aluminum alloy LED flashlight torch light, which is powered by 3 AAA batteries and adopts light source to give off strong for checking notes, , fluorescent inks (invisible inks), cracked glassware, or even crime scene. With waterproof design and easy to use, it is really a wonderful mini LED flashlight torch for choice. Features - Shell color: mainly black. - Shell material: durable aluminum alloy. - and 9-LED Ultra Violet Mini LED Flashlight Blacklight Torch. - Adopt light source to give off strong , great for checking notes, , fluorescent inks (invisible inks), cracked glassware, or even crime scene. - Strong in , but not strong in visible light. - Internal wiring applies the high efficient booster circuit, and can utilize the batteries in the largest extent. - Excellent waterproof design, suitable for outdoor environment, adverse weather conditions. - Come with a short strap for convenient to carry. Specifications - Emitter type: 9 * - ): about 385~400nm. - Working mode: 1-mode. - Battery type: 3 * 1.5V AAA batteries (not included). - : about 4.5 hours. - location: on the tail cap. - Lens: coated lens. - LED lifespan: up to . Package list: 1 * 9-LED Ultra Violet Mini LED Flashlight Blacklight Torch Light Lamp (Black)