POWERCAP Pro Series LED Lighted Hats have both white LED's and Green LED's that preserve your night vision. The independent switches mean you get to choose whether you use white LED's for maximum lighting or green LED's to preserve your night vision. Whether you choose the green or white LED's, you get both close and distance lighting with the angled LED's. 4 CR2032 Coin Cell batteries are hidden in the sweatband, provide up to 65 hours of life and are easily replacable.