Coleman Divide+ 350 lm LED Flashlight with Battery Lock Battery lock system stops battery drain to Preserve battery life and reduce corrosion to protect your device Lumens: 350 (high), 35 (low) 2 modes: high and low Runtime: 2 hours (high), 50 hours (low). beam distance:300 m(high),100 m(low) Lifetime LEDS never need replacing. Powered by 4 aa-batteries, (installed)