The BuckMasters PackMate by Streamlight is an LED flashlight that also acts as a night vision preservation flashlight. The white LED functions at high output (125 lumens) and low output (20 lumens) levels, and the ultra-bright green LEDs function at high output (7.5 lumens) and low output (4 lumens) levels. The dual switch system features an engineered tailcap switch for power on/power off and signal and a mode select switch. The flashlight body is made of corrosion-resistant aluminum, and the flashlight is O-ring sealed and weather-resistant. The BuckMasters PackMate comes with a high-strength wrist lanyard.