Coleman Divide Plus Spin 525L LED Lantern Battery lock system stops battery drain to preserve battery life and reduce corrosion to protect your device Lumens: 525 (high), 200 (medium), 50 (low) 4 modes: high, medium, low, flash Runtime: 15 hours (high), 45 hours (medium), 300 hours (low). beam distance:7 m(high),5 medium),2 m(low) Lifetime led never need replacing. Powered by 4 d-batteries (sold separately)