Alarmpore(TM) 16.4ft 5M UV 395nm 5050 SMD Purple 300Leds LED Flexible Strip rope Light lamp 12V DC (Black PCB Waterproof) IP65 Waterproof, 5050 UV BlackLights, Wavelength: 395-405nm 5050 UV light strip, much brighter than 3528 UV led strip, and can be used for outdoor for fishing and boat High intensity; every 3-LED cuttable without damaging the rest strip; flexible slim PCB with back tape; free maintenance and easy installation. Widely application: 1.) room disinfection; 2.)fluoresce dried urine, odor of dogs cats small animals on carpets, stains, food stains; 3.)test authenticate currency, passports etc; 4.)promote plant growth; 5.)induce and kill insect; 6.)night fishing: fishes have Photo taxis, violet color is best used for lighting the float on the night while don't disturb the fish; 7.)creat amazing atmosphere: do a great job with UV body paints & fluorescents at party, DJ, stage, gallery, Halloween etc. 100% guaranteed UV Led blacklight. You can use a dollar to do a test and youll find fluorescence