Specification:Item Type: Nixie Tube ClockMaterial: Glass, PCBScreen Size: 1.54 Inch 240x240 PixelsNetwork Connection: Power Interface: Type CInput Voltage: 5V DCHow to Use:If the setting page does not appear, please ensure that your phone is connected to for Smart Weather Clock and turn off your phone mobile cellular data, then enter 192.168.4.1 in your browser to open the settings page.Package List:1 x Base1 x Screen1 x Glass Cover1 x USB Data Cable1 x User Manual