5X DIY In12 In-12 Nixie Tube Pcba Kit Digital Clock Beautiful Gift, W7U9. Set Time: Long Press "Down" key into setting time. Long Press "UP", while no display, into sleep module22:0007:00 no display. Display all "0"number, out of sleep module.
When color refresh that means it is into change color automatic (every day change one color), or color is fixed. Power : -USB 5V 1A Material:Metal + pc colour:blue Package Contents: 5 circuit board 5 Acrylic Enclosure Box 5 Screw kit.