Features:Multi-functional electronic clomodule, set for time, inside and outside temperature, voltage as one. You can display a single item, or you can cycle through the it alternately and customize the item to be displayed.for Time chip using -Epson's RX8025T chip, this chip is a temperature compensated clochip, for time accurate.Standard 0.3 for m +1.5 for m module with two waterproof probes, temperature range -35 ~ 120 degrees. With brightne adjustment, 3 brightne adjustable. And automatic brightne function, which can be dark at night, brighten during the day.Applicable models: 12V 24V Motorcycle, ATV, for Cro bike, Scooters and so on,for touch to set the electronic clock.It is widely used in equipment and for Cars, boat, Suv,planes etc. It's small size and easy installation.Specifications:Working voltage: for DC 5.0~27VMounting hole size: 19.5x56 mmTemperature display range: -35 ~ 120 ℃ (error ±1 degree)Voltage display range: 5.0~28 V (error ±0.1VPower lead length: 28CMPackage Includes:1 X Car Dial ClockNote:1.Please allow 1-2cm errors due to manual measurement, e sure that you do not mind before you order.2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.Thanks for your understandings.