Features Dual Display Modes: Easily switch between 12 and 24 hour formats for personalized timekeeping that suits your lifestyle High Precision Timing: Featuring a top-notch clock chip, enjoy exceptional accuracy with a time error of only 1 minute per year Vibrant Color Options: Experience a stunning array of colors—red, purple, yellow, pink, green, and blue—automatically changing daily or adjustable to your preference Energy Efficient Design: Automatically shuts down from 22:00 to 7:00, conserving power and extending battery life for hassle-free usage Engaging DIY Experience: Assemble your own glowing tube clock with a complete kit that includes all necessary accessories and straightforward instructions Features: 1、Function: The nixie tube clock can switch between 12 and 24 hour display mode, has antipoison program which will re display every 1 minute 2、High Accuracy Clock Chip: This glowing tube clock adopts high accuracy chip, the time display error can be about one minute per year 3、Multi Color Display: The clock can automatically switch red, purple, yellow, pink, green and blue display every day, can also adjust or turn off manually 4、Automatic Shutdown: This nixie tube clock can automatically shut down from 22:00 to 7:00, can save power and increase battery life 5、DIY Kit: This nixie tube clock kit can be assembled by yourself, with complete accories, and easy installation Specification: Item Type: Nixie Tube Clock DIY Kit Material: Beech and PCB Power Input: DC12V 1A Memory Power Supply: Lithium manganese battery CR1220 (not included) Package List: 1 x IN14 DIY Case 2 x Glass Tube 3 x Fastener 4 x Illuminated Light 6 x Copper Sheet 1 x Module Package List 1 x IN14 DIY Case 2 x Glass Tube 3 x Fastener 4 x Illuminated Light 6 x Copper Sheet 1 x Module