Stinger SVMB Voltage Gauge - Blue Display

• Cross-flow Fan
• Keeps amplifier components running cool
• Easy installation
• Draw: .19 Amp

Installed on left side air duct panel along with a DPDT switch to allow monitoring of primary and aux batteries and also to turn off the display. The display is bright and the brand name is especially so, so I removed the snap off cover and darkened it with a felt tip marker, which was just enough to work for me. Good product, looks good, works good. Was 25 bucks delivered, good price. Check out my pictures above.

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This is a great voltmeter. Install is easy and it has an adjuster to match the voltage of where you want to read from. The only downside to this thing is the stinger name is very bright at night so i had to tape it off as it was giving me a headache.

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Reliable. Easy to install. Came from the factory perfectly calibrated.

Only downside: the display is WAY TOO BRIGHT!

-I had to hook mine to a toggle switch...it's just waaaay too bright to run at night. Guess it's better than being too dim. I'd also suggest a small piece of window tint...

Otherwise, great product. Recommend!

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This is a great meter. I like the size and its easy to read. It is very bright at night though just as the other reviewer said so i hooked it up to a switch on the remote side. Tested it against a voltmeter and it was accurate right out of the box. I particularly like the option it has of adjusting the voltage for accuracy. Great product.

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Like others have said the "stinger" name is too bright. I covered it with electrical tape problem solved.

I bought this to monitor the battery voltage in my solar-powered RV. It worked fine (if a little bright at night) for about 3 weeks and then died. The name still lights up, but there is no voltage readout. It just went blank.

I am not impressed with its reliability.