☀️ [USB Powered] The UV desk clamp light requires a constant voltage of 5V and DC power supply, suitable for power supply adapter, power bank, and computer USB port. (Phone charging is not suggested, which may cause flickering of lamplight.) ☀️ [4 Dimmable Brightness] There are 4 dimmable brightness levels optional, you can adjust the right brightness by pressing the switch on the power cord. ☀️ [360°Gooseneck] The gooseneck bends 360 degrees, allowing you to flexibly adjust the height and direction of the light so you can find the ideal angle to provide the right angle of illumination. And the retaining clips to ensure smooth and stable operation. ☀️ [Purple Light] The built-in UV LED lamp bead emits uniform purple light, features less shadow, no stroboscopic, and no glare, providing bright and stable lighting for you both indoors and outdoors. ☀️ [Various Occasions] The LED gooseneck light can be applied for detecting fluorescent paint, resin art, stain, curing, light posters, and is suitable for setting up a stall, glowing party, lights out party, outdoor barbecue, etc.