Thumbscrew Special Transparent Coated Glass and Aluminum Frame 3mm Tempered Glass The Aluminum Frame is Hand Crafted with Sand Casting Technique to Give the Rugged-edge Looks and Feel Press and hold for about 5 seconds, an auto demo mode is available where the light turns from bright to dark and dark to bright repeatedly Touch Control for Power On/Off, Two-speed Fan Controller and Four-level Lighting Oriental “tòu” Element Once Powered Off the tòu Will Function as a Mirror When the System is On the Light Passes Through the Glass Shock-proof Rubber Supports Up to Four Sets of 120mm Fans Supports 360mm Water Cooling Radiator Cable Management Area Power Supply Supports up to 220mm