Fashion Design Optics Led Reading Glasses Light Glasses Oculos Degree Unisex Eyeglasses +1.0, +1.5, +2.0, +2.5, +3, +3.5, +4 Practical and durable . enhance visual acuity. PC frame and impact AC lenses with UV protection and scratch resistance. Built-in Ultra bright LED lights act as mini torch . improve vision in the dark Acts as an ordinary pair of reading glasses when the torch is not switched on Long lasting battery life - Requires 4 button cell batteries (included) which can last for up to 30 hours of continuous use.