The 45-Day LED Lantern features innovative COB technology that is energy efficient while maximizing brightness to create the perfect lantern for hiking, camping, and other outdoor adventures. 45-Day LED Lantern Features Runs 45 days continuously on LOW (20 lumens), and 19 hours on HIGH (360 lumens). Easy grip rubberized handle features a retractable hook for hanging. Durable, impact-resistant construction. Water-resistant IPX4 (protected against splashing water from all angles). Candle flicker mode is perfect for use in a tent. Excellent alternative to candles and fuel lanterns. Great for emergency backup lighting. Safe for indoor and outdoor use. Powered by 3 x D-cell alkaline batteries (not included). 45-Day LED Lantern Modes HIGH (350 lumens - 19-hour runtime) LOW (20 lumens -45-day runtime). AMBER AMBER CANDLE FLICKER WARNING for California Customers.