Water Sensor Technology: These LED diyas are equipped with water sensor technology making them incredibly convenient to use. Simply add 1 tablespoon of water to the diya and the LED lights will automatically illuminate creating a warm and soothing ambience. Illuminate your surroundings with these elegant LED diyas and let the soft warm light create a serene atmosphere in your home or office. Order your set of Gamins Gadgets Water Sensor LED Diya Decorative Led Lights today and add a touch of beauty and tranquillity to your space.