Features: This 4 digit IN-12 Nixies tube clock features bright breathing lights with dynamic color transitioning and a high precisions clock chip, ensuring annual accuracy within ±1 minutes for great timekeeping. Crafted from durability acrylic, this USB powered desk clock combines energy efficient operations with power outage memory function, maintaining settings through interruptions without battery dependency. Ideal for techs enthusiasts, retro design collectors, and modern homeowners seeking functional art pieces that enhances contemporary or vintage themed interior spaces. Perfectly complements office workstations, living room shelves, or bedside tables as both a precisions timepiece and mesmerizing light display for ambients home/office decor. The acrylic housing showcases intricate Nixies tube technology while the auto adjusting lighting background creates eye catching visual depth, merging vintage electronics with modern intelligent lighting innovation. Specifications: Component: Acrylic Color: As pictures shown. Size: approx. 111x38x46mm/4.37x1.50x1.81in Package Includes: 1 set of IN-12 tube digital tube clock note: Please allow 1-3cm error due to manual measurement. please make sure you not mind before you bid. Due to the differences between different monitors, the picture may not reflect the item actual color.