DROK Digital DC Voltage 10-170 Degree Fahrenheit Temperature Monitor Car Motorcycle Battery Voltmeter Thermometer 12V 24V Temp Volt Tester Multimeter

It’s very easy to use just plug and play. If you’re a strange person like me that wants to know the inside temperature of your vehicle then this is perfect for you. My truck is older and doesn’t tell me the temperature of inside the cab or an actual number of how many volts my battery has. I’ve had it on my truck for about a week now and I like it. My AC is working good and I know the exact temperature of the inside of my cab. It has a very clear LED display and for the value it’s not a bad deal.

I bought this item twice for my 2 cars... I find it very useful in determining the car battery life whether time to replace or not & also in determining the temperature inside the car whether the aircon functions well & comfortable cold enough in hot weather especially during summer season.

I really just needed a replacement USB plug, but got this one to try out. I really like having something in my quite old pickup truck to tell me the temp and voltage. Didn't really consider how convenient that was before I had this. Temperature and voltage readings are both accurate. Built much better than my old USB plug. Easy to read display. I do with it had 2 USB ports, but 1 is good enough over 90% of the time. The location being on the top is a little weird in my truck because it means the cord plugs in sticking straight up. I suppose if it was for a dash mount (GPS, camera, etc), this would be perfect. For my phone laying on the seat, the cable has to bend over. No big deal. If I did have a dash mount, I wouldn't be able to charge the phone though because of the single USB port. Works great though. No real complaints.

The media could not be loaded. Easy to read, fits well, the temp and voltage is rounded down. Accurately measures voltage and temp...tested against a multimeter and thermosensor.A 3rd feature, is it let's you know if the car battery is on/off if you are using a kill switch.Will update if it fails.November 9th, 2024 still works perfectly even in cold weather.Still works, June 28 2025 !!

im happy with it simple and works

Easy to read and accurate. I hate the blue digits but that’s a plague on many displays. Green is much easier to read.The temperature is displayed with a leading 0 digit which is unnecessary and annoying.The human eye is not designed to see blue and red at the same time, I wish someone would tell that to the designers of so many digital displays. It’s not DROK, it’s very hard to find displays with any other combination that blue/red.

Measured battery voltage with a Fluke 179 multimeter with an accuracy of .09% on the DC 60v range.Fluke meter, DROK12.46v (Engine off) 12.4v13.63v (Engine running) 13.6vMeasured Temperature with a ThermoWorks ThermoDrop TX-5300 keychain thermometer. A certificate of calibration of 0 error at 32 degrees. Uncertainty of calibration +/- 1.8 degrees traceable to NIST standards. Put next to DROK on right side.ThermoDrop, DROK78 degrees 77 degreesI was worried that voltage & temperature would fluctuate a lot like some people said and the 3 video reviews show but I don’t see that. Two of the videos are an older version that show a decimal point for temperature that this version does not have. That may be why it doesn’t have a decimal point for temperature now?It is good to know when your battery is going bad before your car won’t start one day and have to get a jump start to get a new battery on a cold winter day.

My 2024 Honda goes bonkers if the battery voltage is below 10 at start, which it has done on more than one cold occasion. The Honda fails to provide any diagnostic information (such as "you battery voltage is too low". The Honda also fails to show cabin air temperature. This meter provides both pieces of missing information, with a nice bright readout.