Tips: This product is an advanced version and does not include glow tubes, 1. The supported models of glow tubes are IN-12a and IN-12b, which have coarse pins. Simply align the direction and plug it into the socket. 2. The time separator (colon tube) is included and does not need to be purchased separately. 3. The advanced version has more LED ambient lights and a remote control than the basic version, both with buttons at the bottom. 4. Equipped with a 12/24 hour switch and an anti cathode poisoning program (with adjustable intervals), the advanced version LED light can be turned off, automatically gradient, or display fixed colors. It can be operated with a button battery and can also maintain time operation (non display time) when power is off. Equipped with timed on/off function and delayed shutdown function. 5. Only USB power cord is available for delivery. It can be powered by a mobile phone charger, power bank, or computer USB port. If the display is poor, it may be due to insufficient power supply. Please replace it with a high-quality power supply. 6. Power interface: USB Type C (Dual interface design, one on the right and one on the back) 7. Power supply specifications: voltage 5V, current 1A or above. 8. Base size: 16cm x 3.8cm x 4.5cm (length x width x height) 9. Premium version net weight: 161g Tips：(CR1220Button batteries are not included due to air transportation issues)