Ghasitaram Led Book Light v13booklight

It is a led book light which can be clipped to a book and can be used for reading. Features: 1) the power is supplied by 2 pcs cr2032 cell button batteries. 2) Led bulbs are of energy saving; high power and long life. 3) Special round triangle design, perfect appearance; fix box stabely. Instructions: led turns on or off can be controlled by on/off button. The 2 pcs cr2032 batteries can last 20 hours. When led becomes dark or no light, the screw between the cover shell and back shell can be opened, change 2 pcs cr2032 cell button batteries according to the instruction direction.