Energizer 360 Degree LED Emergency WeatheReady Lantern is a powerful, battery-powered lantern that combines extraordinary brightness with extended run time. Built to excel in emergency conditions, this Energizer LED lantern runs on either AA or D batteries to deliver hands-free all-around illumination. Turn this LED light on high to emit 500 lumens of bright light for up to 30 hours or choose the energy-saving mode to conserve battery power and maximize run time for 90 hours during extended power outages. Switch on the night mode for a soft night light lantern. A highly visible, glow-in-the-dark switch on this emergency lantern makes switching between power modes easy. Trust this tough, reliable, and easy-to-use water-resistant lantern to make life easier during an unexpected loss of power. It features a USB port out so you can charge your devices in emergencies. Count on Energizer to provide bright, reliable light in any situation using 3D Energizer batteries.