This product is a USB plug goose neck hose fill light, with a lamp head shell made of aviation aluminum and 12 LED beads. Power supply voltage: 5V/2W, sufficient power, hose length of 30cm, lamp head diameter of 5cm, total length of 35cm, lamp head thickness of 1cm, no switch, plug and play, light color: white 7600k, single color temperature, safe to use, no hidden dangers, soft light eye protection, no flicker, can be used for a long time, the product is sturdy and durable, the gooseneck hose can be bent and shaped to adjust the angle, suitable for bedside lighting, night lights, desktop computers, laptop work lighting, mobile power outdoor camping lighting, fish tank lighting, indoor background atmosphere lighting. This product needs to be used in conjunction with devices with USB ports. Use according to your own needs.