There is DC 170V high voltage when power Nixie tube clock on, don't touch the bare wiring part, and please mount the glass case before powering it on or doing tests. Case material: wood plate+glass case. Please allow minor errors due to manual measurement. Item color displayed in photos may be showing slightly different since monitors are not calibrated same. We are committed to resolve all issues in a friendly and satisfactory manner.Only unused, undamaged and original condition item can be qualified for a return. Is very important to us. This item is in the category "Home & Garden\Home Décor\Clocks\Alarm Clocks & Clock Radios". The seller is "casey-888" and is located in this country: CN. This item can be shipped worldwide.