Feature:1. 12 and 24 Hour Mode: This tube clock can display 12 or 24 hour mode, has antipoison program which will re display every 1 minute2. High Accuracy: This glowing tube clock adopts high accuracy chip, the time display error is about one minute per year3. Multiple Color Display: The clock can automatically switch red, purple, yellow, pink, green and blue display every day, can also adjust or turn off manually4. Power Saving: This nixie tube clock can automatically shut down from 22:00 to 7:00, which is power saving, has long battery life5. Complete DIY Kit: This glowing tube clock kit can be assembled by yourself, with complete accessories, and easy installationSpecification:Item Type: Glowing Tube Clock DIY KitMaterial: Beech and PCBPower Input: DC12V 1AMemory Power Supply: Lithium manganese battery CR1220 (not included).Package List:1 x IN14 DIY Case2 x Glass Tube3 x Fastener4 x Illuminated Light1 x Module