Swivel Cap Light. Revolutionary new swivel capability! 18 lumens. Three non-replaceable "Z Power" ultra bright magnified white LEDs. Bulb burn time: up to 100,000 hours. Swivels 90 degrees, adjusts to many different angles. Black composition housing. Runtime: constant-up to 50 hours. Lightweight, compact and engineered to withstand extreme conditions and use. Water resistant. Tested and approved by NAHA and NAFA members. Uses two CR2032 coin cell batteries (included). Hang packaged.