Get IN-12 Glow Tube Clock 4-bit IN12 Glow Tube Clock Seven-color RGB LED DS3231 Nixie Clock IN-12B Description: Glow tube models are IN-12B, and other glow tubes are not supported. Power Specification: Voltage DC 5V, current 1A or more. Power can be supplied by using mobile phone charger and the interface is MicroUSB. There are two versions to choose from: the one with Glow Tube( Type 2 ) and the one without Glow Tube ( Type 1 ). Package included: 1 x IN-12 Glow Tube Clock IN-12 Glow Tube Clock 4-bit IN12 Glow Tube Clock Seven-color RGB LED DS3231 Nixie Clock IN-12B See detail