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Feature

Measure both the indoor and outdoor temperature of your vehicle while measuring your battery voltage with this all in one handy tool!
Real time battery charge display let's you know where your battery stands, on and off the road.
Large display makes it easy to read Time, Temp, and Voltage.
Orange or blue adjustable led back light to fit your custom preference. Easy installation makes it so that anyone can use it.
Lights up and alerts via an alarm voice to always keep you informed on the status of your car, truck, or SUV.

Description

This digital voltage meter and thermometer displays accurate temperate readings in and outside of the car.

The unit also alerts you to your car battery's voltage and with its built in alarm sensor notifies you of excessive or under normal voltage operations. This is the perfect accessory for fine tuning or just spicing up your existing dashboard with its either blue or orange backlit display.

Digital clock,car voltage display at real time.
Indoor and ourdoor temperature display, measuring range: indoor(-50-70) ; outdoor (-50-70)
Icing alarm display will turn on as temperature lower -1-4
12/24 hour format display; Year / month / date display
Inspect and display real time automobile storage battery voltage
Orange and blue backlight is shiftable
Excessive or lower voltage alert function
Car cigarette power lead(12/24V)

Specification:
Shell color: black
LCD display: 95mm(L) x 15mm ( W)
Product size: About 110mm x 23mm x 29mm

How to use:
1.Connect plug to car cigarette socket ,put temperature sensor outside and fix it at car door edge , then run the car ,product will display indoor temperature (icon show IN) and car battery voltage.
2.Press IN/OUT to shift to outdoor temperature display.
3.When temperture outside is lower than -1-4 ,ICE icon will display.
4.The number at right side is car battery voltage.
5.Press the side button to shift blue and orange color backlight .
6.If any abnormal display , pls take out the battery for a while and reload it again.

Package included:
1x Digital Car Voltage Meter
1x Car Cigarette Socket
1x User Manual Instruction