100h hours of use. (Flasher mode). 30 lumens. 1.5 m submersible. LED flasher. Splash proof. Shatterproof lens. Auto off in 1 hour (Helps save battery life. To deactivate/activate feature, hold down button for 5 seconds). 3 x AAA batteries included. LED Technology = 10,000 hours. Product life compared to 15 hours of lamp life for lanterns using PR-13. Emergency flasher + red glow mode. Made in China.