Coghlan's Cooler Light lights up your cooler at night, just like your fridge light! The light is designed to turn on when the lid is raised and to turn off when the cooler lid is closed. Features: - The Cooler Light will shut off automatically after 20 seconds regardless if the lid is shut completely. - Great for coolers, tackleboxes, toolboxes. - Batteries included (uses three LR44 1.5 volt button cell batteries) - Weight: 45 Grams What's in the box Motion activated Led light, sticks to the lid of the cooler.