"Slot Machine" Cathode poisoning prevention routine. Programmable 16 milions colors LED tube lighting. Neon colon indicators blinking at 1 Hz.Tubes are driven in high frequency dynamical indication and provide service for many years. All settings are stored in non-volatile memory. First tube can be disabled if hours lower than 10 (optional). Voltage: DC 5V and microUSB plug. Time accuracy (+/- 1 second per month) is provided by built-in RTC (Real Time Clock) based on extremely precise DS3231 module with temperature compensation and backup with CR2032 battery. Not AC frequency dependent - works in all countries. Power cord and power supply are NOT INCLUDED! Current version has 10 LEDs modes. Save any current state (for example fix any rainbow). Ripple with color change (dynamic). Note: Please allow minor deviation due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We will re-send a new item to you if we make mistake to offer a wrong product. If you are willing return item back to us, please keep it in original package. This item is in the category "Home & Garden\Home Décor\Clocks\Alarm Clocks & Clock Radios". The seller is "best*tools" and is located in this country: CN. This item can be shipped to United States.