Smart, easy, hassle-free, the Seasons 4 Commercial 36 ct. 3C Waterproof Warm White LED Invisalite with Green Wire and 4 in. Spacing - Case of 24 is everything you thought the holidays weren"t! Complete with a three-function controller and an easy-to-use timer. Simply press the button once to turn the timer on; it will shut off after 6 hours and turn back on again after 18 hours. No hassles! Requires 3 C batteries, not included. * Battery-operated, waterproof LED lights * Warm white lights * 36 lights with 4-inch spacing * Indoor/outdoor use with built-in timer * Green cord with 18 inches from last light to plug