The Coast 20767 | PolySteel 600 Pure Beam Focusing is designed for high-performance illumination with advanced lighting technology. Key Features: "BATTERY TYPE=4 x AA (Alkaline)" | "BEAM DISTANCE (HIGH)=872 ft / 266 m" | "BEAM DISTANCE (LOW)=337 ft / 103 m" | "BEAM DISTANCE (MEDIUM)=580 ft / 177 m" | "COMPATIBLE SHEATH=S50 Sheath" | "DIAMETER (BEZEL)=2.0 in / 5.08 cm" | "DIAMETER (BODY)=1.46 in / 3.71 cm" | "INCLUDED=4 x AA Batteries" | "LENGTH=7.9 in / 20 cm" | "LIGHT OUTPUT (HIGH)=740 Lumens" | "LIGHT OUTPUT (LOW)=100 Lumens" | "LIGHT OUTPUT (MEDIUM)=345 Lumens" | "PEAK BEAM INTENSITY (HIGH)=14906 cd" | "PEAK BEAM INTENSITY (LOW)=1940 cd" | "PEAK BEAM INTENSITY (MEDIUM)=5930 cd" | "RUNTIME (HIGH)=4 h 30 min" | "RUNTIME (LOW)=37 h" | "RUNTIME (MEDIUM)=12 h 30 min". Offers adjustable light modes with Pure Beam Focusing technology for versatile applications.