This device uses UV-C light technology to kill germs. Two UV germicidal LEDs (with wavelength 265nm) are used for optimal sanitizing. Sanitizing modes: quick clean for 90 seconds (press button once, blue indicator) or deep clean for 5 minutes (press button twice, green indicator). Large sanitizing chamber is 7.09" x 3.5" x 1.44", fitting most large phones, sunglasses, eyeglasses, keys, no-touch tools, credit cards, smaller remotes, and more. Sanitizing process stops automatically once lid is lifted to avoid UV light exposure. 5W wireless charging pad works with most plastic phone cases. Product must be plugged into a power source and does not hold a charge. Includes a 39" USB to Type C charging cable. Material is double wall plastic.