The Coast 20572 | HX5 Pure Beam Focusing Pocket Light is designed for high-performance illumination with advanced lighting technology. Key Features: "BATTERY TYPE=1 X AA (Alkaline, NiMH, or Li-Ion)" | "BEAM DISTANCE (HIGH)=288 ft / 88 m" | "COMPATIBLE SHEATH=S20 Sheath" | "DIAMETER (BEZEL)=0.98 in / 2.5 cm" | "DIAMETER (BODY)=0.79 in / 2.01 cm" | "INCLUDED=1 x AA Battery | Two-way Clip" | "LENGTH=4 in / 10.2 cm" | "LIGHT OUTPUT (HIGH)=168 Lumens" | "PEAK BEAM INTENSITY=1560 cd" | "RUNTIME (HIGH)=3 h 15 min". Offers adjustable light modes with Pure Beam Focusing technology for versatile applications.