WF-502B UV LED 395NM Ultraviolet Lamp Blacklight Flashlight Purple Light 40JEOOTDTYFunctionsUsing 3W High Power Purple Ultraviolet UV LEDwavelength: 395-410nmIntegrated Reflector Cup Aluminum Peel OrangeAluminum Metal Tongshen, Black Oxide CoatingBattery: Use One 3.7V 18650 Lithium Battery Tail Rope Push Button Switch, Easy To Carry IPX-6, Waterproof, Do Not Get Wet Or Use It When Diving Clip-on Design, Can Be Attached To collarApplications: money detector, night fishing, according to drift, according to rosary, according to special purpose grade forensic traces UV can be used to detect fluorescent substances: wavelength 395-410nm UV blood fingerprints and other body fluids can be used, arrow residue testingThis section of flashlight light, red light of strong penetration can be released, as a signal for help and so on. Description:LED Lifespan: 100000 Hours Working Voltage: 3-4.2VBatenture: 1pc*18650 Battery (Battery Not Included)Material: Aluminum Switch Type: Tail napa, on/off Transmitter Type: UV LEDMoc: 1 WPongle Type: ClickyChange Location: Tail CapMaximum Output: About 800 Lumen3 Mode: High/Low/Strobe Working Time: About 5-6 Hours Power: 1x18650 (Not Included) Material: Aluminum Alloy Color: Black Instruction: Special Needs. (For patrolling, hunting and arresting, inspection, securing, martin rescue, as well as shooting light and so on)Outdoor activities. (For climbing, camping, survival searching, walking, diving, fishing, hunting, etc.)Professional Needs (For Gem Testing, Mineral Testing, etc.)Good preparation for the familyThe photos of our flashlight are real and if there is anything tinny difference, please ignore