Input voltage: DC5V Working current: 350mA Work rate: 1W Hose length: 300mm Power cord length: 1.8 meters (including the inner hose) Rotation angle: arbitrary rotation Light flux: 110lm Illumination degree: 140lux (25to 30cm) Material quality: metal + plastic (the clip part is plastic) Color: black, silver Package content: 1*USB night light 1.3 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.