LED Nixie Clock,Nixie Tube Clock Color Adjustable Digital Clock Nixie Tube Clock 5-Digit Kit with Indoor Light Detection USB Plug Tube Clock for Gift Children Friends Family (Walnut Panel) Using walnut wood, hard material, straight texture, delicate texture, not easy to crack, both antibacterial and anti-corrosion, stylish and beautiful High timing accuracy . Supports 24-hour format time display and stopwatch function with energy storage. Powered by 5V/1A adapter, can also be powered by power bank, easy to useeasy to carry. There are four color modes, the color and brightness can be changed according to your preference. RGB LED, low voltage operation, low power consumption, long lifespan. This is retro steam industry style, whether it is placed on the desk, in the living room or in the bedroom. It is very attractive and very suitable as a gift for friends, family and children.