Car Digital Thermometer Voltmeter, 12V/24V Inside Outside Voltmeter Clock Alarm Monitor LED Table for Automobiles Motorcycle Truck Boat Marine

【Professional Car Battery Voltmeter】-- Car battery voltmeter, pedestal 180-degree revolve; Alert you to your car battery's voltage and its alarm sensor notifies you of excessive or under normal voltage operations 【Accurate Temperature Display】-- Capable of switching temperature display unit Celsius / Fahrenheit degree within -10℃~70℃; Display accurate temperature readings in and outside of the car; LED back light design allows you to clearly read the digits in the dark 【Car Multi-functional LCD Clock】-- Date/Hour Week/Second Display: Switch the display between 12-hour and 24-hour; Alarm Clock: Snooze function with 5 minutes interval; Gives you better time indictior and never worry time tables 【How to Use】-- When it connects with car, its back light is light up and all the contents (including the time, temperature and volt) will be displayed on the LCD screen; When the clock is powered by car cigarette lighter, there would be no back light when it is powered by backup batteries 【What You Get】-- Our Keenso shipment includes 1 Car Digital Thermometer Voltmeter Clock Monitor,1 Outdoor Sensor,1 Car power plug,2 Batterie LR4,1 User Manual;Easy to install and use, a perfect accessory for your car; Just get it !