Onforu 4 Pack 10W LED Black Light Bar, 1ft, USB Blacklight Tube, Blacklight Bars with Switch, Black Light for Fluorescent Tapestry Poster, Cabinet, Glow Party, Halloween, Classroom, Body Paint

4 Pack USB Black Light Bars: Each 10W Halloween black light bar is 1ft with 30 units high quality LEDs. It provides 120 degree wide beam angles, 30,000 hours long life and high power efficiency; | Plug and Play: LED black light strip DC 5V USB power supply, can be used anywhere you like, just plug in any USB device, such as power bank, USB adapter, computer, laptop; | Various installation methods: Wall L-type mounting, under-counter and cabinet clip mounting, wall screw mounting; | Wide application: Perfect for curio presentation, artwork,tapestry, bedroom, cabinet displays,glow in the dark party, christmas halloween birthday party.small black light bar also using for body paint , visible fluorescent materials; | Fluorescent Reactive: Small black light bar with wavelength: 385-400 nm, Safe-A level, safe to use. Ideal to work with most reactive pigments, dyes, and paints. Especially with neon-colored objects;