It's coo, it's fun, it's ideal to use in industrial, automotive, household, recreation and more when you need a full-spectrum light. Specification: Finish Material: Aluminum LED Power: 1W LED life time: 30,000 hurs Mode: 10 colors in one, flash, fade Size: ∮35*120mm Weight: 131g Battery: AAA*3pcs (not included) Patent: Pending