Fumbling around inside of your car trying to find information can be a frustrating and dangerous experience. Imagine if you could monitor the temperature outside and inside of your car, check the time and date, and keep tabs on the state of your car's electrical system all in a single glance. This fantastic multi-functional display plugs directly into your car electrical system and provides you with a wealth of accurate and useful information in an easy to read compact device. You can also set alarms to tell you how long you've been driving, how much power you have left, even how cold it is outside! Benefits: Temperature display in C or F in 1 incrementsDisplays day, date, hour and seconds simultaneously as 12 hour or 24 hour clock Temperature sampling every 20 seconds guarantees accuracyAudible alarm with snooze function for time and temperature High visibility LCD display, extra LED for low light conditions Back up internal battery (not included) Convenient graphic display for monitoring vehicle electrical systems nstructions provided in English, Chinese and Russian Features: Temperature range: -50 ~ 70C Dimensions: 109 x 59 x 40mm Mounting adhesive for versatile positioning Internal back up battery (not included) External power supply connects directly to vehicle electrical system Extra long, low visibility wiring Includes: clock, car battery connection, thermometer Package Included: 1x12V Car Voltage Monitor Meter Thermometer with Temperature/ Time LCD Display