Clip-on Eyeglass Led Light Book Reading Mini Lamp 360 Degrees Adjustable Lamp Features: Small volume, light weight, good mobility. This clip-on light has two loops CR2032 button electronic as power supply, 1 high brightness LED as light source. Long service life , bright light beam, fashion design. Can clamp the edge of any style of glasses legs. It can rotate 360 degrees. It is a great helper for your daily life, 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. Clip-on Reader Light only, other accessories demo in the picture is not included. Specification: Material: Plastic Size: app.3.6cm/1.42in Color: Black Quantity: 1 Pc Note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Contents: 1 x Clip-on Reader Light