Q81C LED Car Clocks Electronic Watchesthermometer Voltmeter Luminous ClockOOTDTYoottyFeatures: With blue light, you can easily learn the current time at night with just one click. Clock and temperature indicator, voltmeter, controller can conveniently learn the time and temperature to set the driving time accordingly. The car clock can be directly fixed on the dashboard panel, you can also use the clip placed it on the air conditioning outlet wind deflector, very simple and convenient. It allows you to know your riding time without looking at your watch or mobile phone, giving you a safer riding experience. It can be installed in any place, such as office, workbench, etc. Specification: Material: ABS Length: 133mm / 5.23 inch6 kinds of display mode:1gt;. Date display only; 2gt;. Display time only; 3gt;. RT0 display temperature only; 4gt;. RT1 display temperature; 5gt;. Voltage display only; 6gt;. Displayed alternately above; Note: In alternating mode, the user can choose to display by "dd".1gt;. dd:0 display: time + RT0 + RT1 + voltage2gt;. dd:1 display: time + RT0 + RT13gt;. dd:2 display: time + RT0 + voltage4gt;. dd:3 Display: Time + VoltageNote: Single temperature version does not have TR1 and dd parameters does not have dd:2Package Included: 1X Digital Thermometer ClockNote: please allow 1-3cm error due to manual measurement. Pls make sure you don't mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.