1,[Multi Functional] Car voltmeter has built in digital clock and thermometer, you can easily keep track of the time and temperature to properly schedule your driving time. 2,[Large LCD Screen] The thermometer voltmeter clock is designed with a large LCD display, which can clearly show the time, date and seconds, and all data can be seen at a glance. 3,[Luminous Light Design] Digital thermometer voltmeter clock is designed with luminous light, you can easily know the current night time with just one click. 4,[Dual Display Color] The car voltage temperature clock has a high definition LCD display with two display colors to adjust. Compact, beautiful and exquisite appearance. 5,[Adjustable Angle] Angle of the base stand can be adjusted up and down, and can be attached directly to curved surfaces or other locations with double sided sticker. 1 x Thermometer Voltmeter Clock1 x Instruction Manual1 x Double Sided Sticker Item Type: Thermometer Voltmeter ClockMaterial: ABSProduct Size: Approx. 6.3 x 9.5 x 6cm / 2.5 x 3.7 x 2.4inGross Weight: Approx. 138g/ 4.9ozUse: Voltage Monitoring MeterBattery: 2 x Button Battery L1154F 180mAh (Capacity of One) (Shipped with Built in Battery)Temperature Measurement Range: -50-70℃Voltage Indication Range: DC12-24V Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.