Convenience of 4 lights in 1 is a must have for every camping trip. 800 Lumens LED lantern is bright enough to light up a large 360-degree area. When stepping away grab one of the take-along panels. Magnetic attachment system on each panel can be stuck to any metal surface. Built-in flip out panel handle can also prop the panel up. Return the panel to the base and they automatically recharge. Base light stays lit when a panel is removed. Individual controls on each panel. 3 Modes (lantern): high medium low. 3 Modes (panel): high low flashlight. Lumens (lantern): 800 (high) 200 (medium) 100 (low). Lumens (panel): 100 (high) 25 (low) 100 (flashlight). Runtime (lantern 8D): 20 hours (high) 120 hours (medium) 400 hours (low). Runtime (lantern 4D): 13 hours (high) 70 hours (medium) 200 hours (low). Runtime (panel): 3 hours (high) 14 hours (low) 3 hours (flashlight). Beam distance (lantern): 18 m (high) 11 m (medium) 7 m (low). Beam distance (panel): 13 m (high) 6 m (low) 40 m (flashlight). IPX4 water resistant design. Base is powered by 4 or 8 D batteries to conserve battery usage or maximize performance (sold separately). Each panel is powered by 3 AAA NiMH batteries (included). Lifetime LEDs never need replacing. USB charging output can charge mobile devices. Batteries for the base sold separately. 3-Year limited manufacturer warranty.