High Quality LED: 40 high quality UV LED chips, bright and durable. High quality LED array to ensure maximum black light output. Ultraviolet wavelength: 395-400nm, UVA grade. This range is safe for eyes and human skin. No buzzing ballast. No flickering. USB drive and ON/OFF switch: USB interface DC 5V voltage, you can light it with a power bank, you can even connect it to your laptop, it comes with a 5.8ft power cord with switch, no need to plug and unplug Lightweight: The new generation of UV LEDs are equipped with high-end optical lenses. Its very bright for its size. And this UV black light is super lightweight, you can put it anywhere you want. Wide range of applications. It is best known as a bedroom black light, but there are practically no limits to its application. Black light shows, face painting, glow parties and black light parties. Verify currency and ID. Curing and sole repair. Science activities and experiments. Aquarium lighting and disinfection. Vaseline glass and uranium glass lighting. Plant grow lights. Detects certain insects and stains/urine. Size: 32*3.45*3.25cm color: White Packing list: 1pcs Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.