High quality, low price 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 Long lasting battery life - Requires 4 button cell batteries (included) which can last for up to 30 hours of continuous use Acts as an ordinary pair of reading glasses when the torch is not switched on Diopter available: +1.0; +1.5 ;+2.0 ;+2.5 ;+3.0 These stylish and comfortable glasses can aid you to have a clearer vision with or without the lights. The LED lights have very low voltage consumption yet it is exceedingly bright. They are cleverly placed at the front of the frame so there will be no glare from the actual LED lights and therefore will not disturb your vision. Now you can read your favorite book anywhere, light or dark and without disturbing anyone! Places such as bedside (especially when your partner is asleep), public transports, outdoors (like garden) etc would not be an obstacle for reading! Rather than reading, you can also use this useful pair of glasses on other activities or hobbies. For example DIY projects, changing or repairing a fuse box, watch/jewelry repairs, stamp/coin collection, sewing etc. Just switch on the light to give you a hand-free light whenever you need it The batteries can last up to 30 hours with continuous use and they can be replaced easily. The smart light installation has been made flawlessly and all wires and batteries are neatly hidden well. You will be surprised that these glasses are not much heavier than the similar styled ones These inexpensive glasses may also become your life saver when you are out and about. You can simply switch the light on without wearing the glasses to be a handheld torch . isn't it great when you drop something in the dark. Or looking for your seat when the show starts Width of the forehead frame (about) :14.6cm Lens Width : 5cm Leg Length :14.5 Quantity: 1 pc Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!