: This black light bar allows fluorescence effects to be viewed when exposed to its light, allowing you to create UV Halloween decorations, UV body painting, and glow parties. What this black light bar can offer you is that it is USB-powered, so you can easily take it anywhere with a USB port, or you can connect it directly to your laptop or portable power supply. It is made of good quality PC and aluminium material, durable to use. The length of the black light bar is 32cm, the width is 3.5cm, and the height is 3.4cm; the length of the USB cable is 180cm. You can use it to decorate your party and your room. Item Name: Black Light Bar Material: Aluminium,PC UV Wavelength: 395nm-400nm Luminous Angle: 180 Degrees Number of Beads: 40LED Power: 10W Input Voltage: 5V Features: LED, Nice-looking, Exquisite Size Details: Black Light Bar Size: 32cm x 3.5cm x 3.4cm/12.6" x 1.38" x 1.34" (Approx.) Use Cable Length: 180cm/70.87" (Approx.) Notes: 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. Package Includes: 1 x Black Light Bar 1 x Use Cable 2 x Bracket 2 x Screws