glasses clip light and High QualitySmall volume, light weight, good mobilityThis clip-on light has two loops CR2032 button electronic as power supply, 1 high brightness LED as ,Long service life , bright light beam, fashion designCan clamp the edge of any style of glasses legs and High QualitySmall volume, light weight, good mobilityThis clip-on light has two loops CR2032 button electronic as power supply, 1 high brightness LED as ,Long service life , bright light beam, fashion designCan clamp the edge of any style of glasses legsIt can rotate 360 degrees.It is a great helper for your , can be used as a normal glasses.Great to be use in car,in bed,on a airplane,camping or where light are too dark to reading.Flexible Book Reading Lights Night Light For Eyeglass and Tools Universal Portable Mini LED Eyeglass Clip On BookTips: The product may be updated constantly, The Actual Product May Have Slight Differences Or Color Differences the color and appearance may be changed, please don't mind. And take a consideration before place the order if you have request for color or appearance.Colour:BlackMaterial:plasticPackage Contents:2 x Clip-on Reader LightOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.