Dimensions: 2.88″ x 3.5″ x 0.5″. Impact resistant. Water resistant. Lanyard. Rechargeable. Modes: High (50 lumens, 3.5h runtime); Low (4 lumens, 36h runtime). Fully recharges in 2 hours. Extendable/retractable 18″ strip with 30 individual LED lights. Comes with USB cord. Requires (1) Lithium battery (included). Color: White. Boxed with hanging tab.