Measures 1 1/2" long. Black molded polymer housing. 18 lumens. Three non-replaceable "Z Power" ultra bright white LEDs with magnified lens. Bulb burn time: 100,00+ hours. Tested and approved by NAHA and NAFA members. Water resistant. Runtime: up to 70 hours. Uses two CR2032 coin cell batteries (included). Hang packaged.
