Product descriptionInput voltage: DC5VWorking current: 350mAWork rate: 1WHose length: 300mmPower cord length: 1.8 meters (including the inner hose)Rotation angle: arbitrary rotationLight flux: 110lmIllumination degree: 140lux (25to 30cm)Material quality: metal + plastic (the clip part is plastic)Color: black, silverPackage content: 1*USB night light1.3 Color Modes: This kids' book light has 3 lighting modes for your choice, respectively are 4300K(Cool + Warm White), 3000K(Warm White), 8000K(Cool White).2.360Gooseneck & Clip Base: The flexible and adjustable gooseneck can be adjusted 360 degrees, bendable neck design lets you place the light anywhere you need. The sturdy metal clip with non-slip pads can be opened up to 2.3inch, perfect for music stands, pianos, office tables, computer tables and headboards.3.USB Powered: The book lamp can be powered by USB charger, plug and play, notebook PC USB, Mobile phone adapter, Car usb and etc.(Adapter not include).4.Eye Protection LED Reading Light: Flicker-free and non-glare light, helping you avoid eye fatigue caused by flickering light.5.LIGHTWEIGHT & PORTABLE CLIP ON LIGHT-- This clip night light is lightweight, with padded clamp, easy to clip on anywhere. Perfect for reading in bed or travel, folding and portable for carry.