Powered by 3 N-cell alkaline batteries, Pelican’s MityLiteTM 3N LED delivers a full 150 hours of battery life and 10,000 hours of lamp life. The body is made of unbreakable Xenoy® that resists chemicals and water. The tail button allows for easy on/off or intermittent light. Use the MityLiteTM 3N as a convenient personal light or a professional task light.You break it, we replace it... forever.