Mini 9 LED UV Flashlight Ultraviolet led flashlight Ultra Violet Invisible Ink Marker Detection Torch Light 3 AAA UV lamp Features: Made of aluminium alloy shell, durable. Can use 50,000 hour long lifetime. 9 UV LED allow to cover a larger area. Uses 3 AA standard battery(Not Included). It come with a rope that can fasten on the back cover, convenient to carry. Widely used for medical devices, sterilization, ink curing, detect metal cracks, money detector device, medical measurements and biometric security testing. Specifications: Type: Ultraviolet LED Light Material: Aluminium Alloy Quantity: 1pc Color: Black Led Quantity: 9 pcs Light Color: Purple Service lifetime:50,000H Switch: ON/OFF Powered by: 3*AAA Battery(Not included) Item Size: 2.4*8.4cm /0.9*3.3"(D*H) Net Weight: 22g / 0.8oz Package: 1*Ultraviolet LED Light 1*Package Box