3 Lighting Modes & 10 Dimmable Brightness: Clip on light offers 3 lighting modes: 3000K warm light, 6000K white light, 4500K natural light, and with 10 dimmable bright levels (from 10%-100%); This clip reading lamp also offers non-flickering light, no dizzy light, no shadow light to protect eyesight and reduce eye strain; Versatile bedside reading light for reading, drawing, work, study, knitting, and sewing Memory Function & Auto Turn Off: Pressing the power button for 2-3 seconds, the blue light on the power button will flash, then clamp light will automatically turn off after 1 minute; If power supply is not cut off, desk lamp clamp can remember the brightness and light mode of the last use; No need to re-set when turning on clamp lamp for reading again, convenient for children, students, and parents Small But Cute Lamp Design: Bed lamp with clamp can illuminate spot light; The USB clip on light head's diameter is about 6cm, with about 7.8cm slant length; The 2.3cm wide clamp that opens to 3cm will take up very little space on the desk; The whole body is about 48cm long, of which gooseneck is about 38cm long, and USB cable is approximately 130cm long 360° Flexible Gooseneck and Sturdy Clamp: Flexible gooseneck desk lamp with clamp allows you to easily adjust the clip lamp to any angle you like. The clip bedside light will securely clip to music stands, office tables, computer desks, headboards, and drawing boards USB Plug-in Powered Lamp: Package includes 1 clip reading light, 1 connected 1.3m USB cable, and 1 manual; No mains plug included; Suitable as a night light for infant rooms, bedroom reading lamps, nightstand lamps, and kids' rooms; Warm Tips: the flexible arm can be adjusted and bent at a distance of about 6cm from the bottom to support itself Wide Application Range: Suitable for use in bedroom, study room, studio, office, and dormitory; Can be clipped to shelves, bedside tables, desks, and other surfaces with thickness between 3-5cm for versatile placement options