Main Features:Purple Light Ultraviolet 18650 or 16340 Cree FlashlightHigh temperature processed toughened clear anti-reflective coating glass lensSpecial reflector design, enhance light output in intension and distance Appearance processing: Anode oxidizing dealt Water and scratch resistance glass lens Shock resistant - Hard anodized finish for extreme corrosion impact Surefire style crenellated strike bezel for enhanced self-defense Also designed to mount on certain hand pistols, rifles and shotguns with proper mounting equipment  Usage: Money detector, night fishing, medical examination, photo bleaching, according to the traces of the military police forensic use    SpecificationGeneral Brand: Ultrafire                                                                          Model: WF-501B                                                                          Flashlight Type: UV                                                                          Emitters: Cree Q5                                                                          Emitters Quantity: 1 x Cree Q5                                                                          Lumens Range: 1-200Lumens                                                                          Function: Amber Identification,Camping,Currency Detection,Exploring,Fishing,Hiking,Household Use,Hunting,Identification Jewelry,Walking                                                                          Mode: 1 (ON/OFF)                                                                          Battery Type: 18650                                                                          Battery Quantity: 1 x 18650 battery (not included)                                                                          Waterproof Standard: IPX-6 Standard Waterproof                                                    Product Details Power Source: Battery                                                                          Reflector: Aluminum Textured Orange Peel Reflector                                                                          Lens: Glass Lens                                                                          Beam Distance: 50-100m                                                                          Body Material: Aluminium Alloy                                                                          Available Light Color: Purple,UV                                                    Dimension and Weight Product weight: 0.0900 kg                                                                          Package weight: 0.1500 kg                                                                          Product size (L x W x H): 13.90 x 3.00 x 2.30 cm / 5.47 x 1.18 x 0.91 inches                                                                          Package size (L x W x H): 16.00 x 5.00 x 5.00 cm / 6.3 x 1.97 x 1.97 inches                                                    Package Contents Package Contents: 1 x Flashlight, 1 x Lanyard