Retro Futuristic Nixie Tube Clock - Wood and Metal Desk Clock geometric wall clock Battery: Insert the required battery

Battery: Insert the required battery (consult included instructions for battery type) before hanging

then UP and DOWN to adjust hours

Its iron frame is finished with a hand-painted

but most quality alkaline batteries power a silent quartz movement for 12 to 18 months under normal use

The clock uses a silent sweep quartz mechanism

Retro Futuristic Nixie Tube Clock - Wood and Metal Desk Clock geometric wall clock Battery: Insert the required batterySixty years of space age engineering, alive on your desk glowing Nixie tubes meet handcrafted wood and metal in one unforgettable timepiece. Plug and Play Setup USB Cable Included Backup Battery Inside Nixie tubes were the display technology of choice for NASA control rooms and Cold War era computers. Each tube contains wire form cathodes shaped into numerals that glow with a warm amber light when energized a look no LED can truly replicate. This