Specification 100% Brand New and High Quality Note: This glow clock does not include a 4pcs glow tube, does not include a charger and charging cable. The glow tube model is IN-12A or IN-12B and does not support other types of glow tubes. Size : 111*38*53mm Power specifications: voltage DC 5V, current 1A or above. It can be powered by mobile phone charger or charging treasure, and the interface is MicroUSB. Colorful LED backlight version. The main function 1. Network timing, you can change the NTP server address. 2. There is no button, all settings are done with the mobile phone. 3. 12/24 hour clock. 4. With photoresistor, the brightness can be adjusted automatically or manually. 5. With daylight saving time function. 6. With LED backlight, you can set a fixed color or rainbow changing mode, or you can turn it off. 7. USB Type-C power interface. illustrate 1. This clock does not have a glow tube, which needs to be purchased separately. It only supports IN12 glow tube. Both IN12A and IN12B can be used. It is best to use IN12B with a decimal point. 2. This clock does not have a clock chip, so it must be connected to the network to work. Please do not buy it without WIFI environment. 3. The first time you use it, you need to configure the network. After the power is turned on, a hotspot named NixieIN12v2 will appear. After connecting, the setting page will automatically open, select the WIFI name to be connected, enter the WIFI password, and click Save to complete the network configuration. 4. After completing the network configuration, the hotspot will disappear. If you need to open the settings page again for other settings, you can enter the IP address of nixiein12v2/or the clock in the address bar of the browser. The IP address of the clock can be viewed in the router settings page. Pay attention to your mobile phone or computer. It should be on the same network as the clock, that is, connected to the same router. 5. The time and hour displayed after network distribution is incorrect, because the time zone is not set correctly, China should be set to +08:00. The LED backlight is off by default and can be turned on as needed. 6. Since there is no MP3 module, the alarm clock function in the setting page is unavailable. 7. There is no distribution power adapter, only a USB cable is provided, which can be powered by a mobile phone charger or a computer USB port. Tips: Please allow 1-3cm error of measurement. Photo color might be a little different from the actual product due to color display of different monitors. Product Includes: 1x Glow Clock