Safety Glasses – SB6310SPLED . Clear lens with LED lighted temples. Easy to use push button on each side, provides up to 50 hours of use before replacing batteries (uses L1154 alkaline batteries-included). 9.0 base curve polycarbonate lens provides maximum vision protection, and 99% protection from harmful UV-A and UV-B rays. Exceeds ANSI Z87.1 High Impact Requirements.