Meco Car Voltage Digital Monitor Battery Alarm Clock Lcd Temperature Thermeter

12-24V Car Voltage Digital Monitor Battery Alarm Clock LCD Temperature Thermeter Specification: Cigarette lighter plug: 7.7x2.6x1.9cm/ Package size: Approx.9.6x6.7x7cm/3.78"x2.64"x2.76" Feature: 1. Time/Date display,12/24V hours system conversion 2. Alarm function 3. Snooze function,snooxe time:5 minutes 4. Capable of switching temperature display unit:/ 5. Measure temperature, measurement range: -50~70 6. Thermometer's resolution:1;accuracy:1.0 7. Temp metering duration: 3 seconds 8. Two colors of Backlight for choices. If the power is supplied by the car cigarette lighter when plugged, backlight is light up and all the conents (Including the time,temperature and volt) will be displayed on the LCD screen. 9. If the power is supplied by the backup battery when unplugged, there is no backlight and LCD screen will display the time, outdoor&indoor temp. 10. Car battery voltmeter(DC 12-24V) Key-press function: Time Key: Switch over between Time and Date, press TIME key for 2 seconds to enter the time setting status. ALM Key: Display the alarm time, press ALM key for 2 seconds to enter the alarm setting status.. UP Key:Upward key+1, Under alarm setting status, press UP key tp turn on/off the alarm sound. SNZ Key: Set snooze DOWN/ / Key: Downward key-1, switchover between / press DOWN / key for 2 seconds to turn on the outdoor Freeze-alert. Package Included: 1 X Car Voltage Digital Monitor Battery Alarm Clock LCD Temperature Thermeter