Extreme style in safety eyewear, with clean lines and sports appeal. Rubber temple tips keep eyewear secure for the active worker. Built-in rubber nose piece provides all day comfort. The super bright led bulbs (3 lumens per side) of this sporty safety glass help you to see in dark places while keeping your hands free to do other task. The L1154 alkaline batteries provides up to 50 hours of use before replacing. Three batteries per temples (six total) are included.