Blue light is great for reading maps in low light or no light; it provides excellent detail and does not wash out printed symbols, notes or elevation markers
Green light protects your night vision and avoids eye strain typically associated with using white LEDs for an extended period
Red light provides contrast to the objects it illuminates so you can see fine details; it doesn't interfere with night vision technology
Warm white light is an ideal light source for working in tight spaces and doesn't mask the true colors of brown, black and red objects
Simple twist head switches the light on and off and adjusts the beam from spot to flood
Includes 1 AAA alkaline battery and keychain lanyard
Rugged machined aluminum body with weather-resistant seals has an IPX7 rating to resist water when submerged down to 1m for up to 30 min.