It also keeps everything in place

Dial diameter: 45mm

SNOWMAN: 4*4*1" Inches

you can set the timer for opening with the test button

BLUE LIGHT READING GLASSES METAL SQUARE FOLDING GLASSES Color:Black It also keeps everything inFrameless reading glasses, be your personal eye guard HIGH STRENGTH LIGHTWEIGHT MATERIALS We've decided to produce our collection from the high grade Japanese Titanium used in aerospace technology as it has the highest strength to weight ratio of any metal. This also means our glasses only weigh 17. 05 grams. You can wear them for hours and forget you have them on. Intelligent zoom reading mirror: The progressive lens has no obvious dividing line