Features: You can easily renew the batteries if they turn out. When you turn the LED on ,it can be a light drops. This glasses is a perfect solution for reading whenever you need. When you are reading you don't need to worry about distracting others. It is a great helper for you daily life, can be used as a normal glasses. The LED is positioned at the end of the arm,so it focasses the light on the point. Great to be use in car,in bed,on a airplane,camping or where light are too dark to reading. There are two kinds of light: white, blue which can be used as money detecting. Color: As the picture show Strength: 0, 100, 200, 300, 400 Battery: 3 x Button Batteries(includes) Glasses Width: 125mm Nose Spacing: 12mm Lens Height: 39mm Single Lens Width: 57mm Glasses Leg Length: 140mmincludes:1 x Glasses