QUALITY UV BAR: 5W LED black light strip with 24 ultraviolet LEDs, wide beam angle of 270 degrees. Instant start, no noisy ballasts, no flicker. 395~400nm wavelength, UV-A level, harmless to human eyes or skin, ideal for illuminating most reactive pigments, paints and dyes with UV light. EASY INSTALLATION: 2pcs T5 LED tube comes with 150cm USB cable with on/off switch. Just connect it to any USB port or adapter with 5V USB port. Long lifespan, over 50,000 hours, low power consumption, eco-friendly product. portable & Light Weight: Super portable and lightweight LED black light. Low power consumption. Resistant to shattering and vibration. light weight,It can be installed on the wall with adhesives on the back of the black ultraviolet light. WIDE APPLICATION: Create stunning atmospheres for concerts, makeup, parties, DJ stages, etc. . Can be used with UV body paints and fluorescence. Aquarium lighting and sterilization. Vaseline glass and uranium glass lighting.Plant growth lights.Detection of some insects and stains/urine. Elegant LED black lights will help you display your work better. For this product, we use high quality LED lamp beads. And the lighting range is extended to 270, higher power, larger coverage area. The lighting is super bright.