Intelligent Car DIY 3-Digit Display Digital Voltmeter Module (3.2-30V)

Pros: Very nice the quality of the product. Very clear the numbers and it's possible to see it in the dark. You can connect it directly to the power. Very simple and easy installation. Tested the precision with a high precision power supplier with internal volt meter. The precision is the same. No deviation or error.

Cons: no cons. The quality of this part is very good and for the moment i don't have to indicate something. Needs to work some time to understand if

Other: The price is good also is should be lower. The shipping time to europe still too long but the compromise between quality and cost can giustify long time waiting.

Pros: Extremely useful gadget, especialy at winter. Well built, good quality and refresh rate. Very bright - can see the values even on sunny day. Very helpful if you have an old car

Cons: The price might be lower, this is not a complicated or expensive product. Dont have a preset to set calibrate it

Other: no cons was found yet

Pros: Easy to read even in direct sunlight, large letters, bright red colour. Excellent price - similar items in South Africa would cost at least 5 times as much. Appears to be of good build quality.

Cons: Not a Con, but consider where you want to put it first, some of the other ones on DX might suit your placement better. Designed to be mounted inside the dashboard on a flat surface - I mounted mine on top of the dashboard of my boat and thus had to first make my own holder to fit it in.

Other: If this is what you need - Buy it!

Pros: This is a very useful tool. Which can tell me what voltage is the current battery in my CAR, so i can keep monitoring the Current Battery level.

Cons: none as i have seen

Other: good to have to those working with more than one voltage products. Like car, Bike, UPS, SOlar panels, and other products. This is not a replacement of Multimeter, it should be used to constant monitor. not on demand, it may break as it is being handled badly.

Pros: Cheap and easy to use meter. Connect and read! Nearly constant current consumption over voltage, only depending on the number of LED display elements active.

Cons: Precision a bit poor in low and mid-range. Shows 0.1 to 0.2 V too low up to about 15V. Relative error below 1.5% in the 12V battery range, however. (11-15V)

Other: OK device, if you can live with the low and mid-range measurement error.

Pros: Easy to use. Almost constant current consumption (9-13 mA, depending on display elements in use) over voltage range. Relative error about +/- 0.1V over range. Better than 0.4% in 8-16V range.

Cons: An average of 10.7 mA current draw may be a bit high for some applications, but this is not based on LCD! Above 17V the meter seems to show 0.1 V too high. May not work all the way down to 3.2V. Mine works fine at 3.3!

Other: Plug'n Play, really.

Pros: Small and precise, this device is able to measure with clarity and precision voltages of 3.2 to 30volts. Acrylic has finished on the sides allowing fix it at the source or even an appliance testing in electronic or electric vehicles.

Cons: Nothing against the product delivers what it promises and I am satisfied with the purchase.

Other: Want to give a touch of class to your power supply or on the dashboard of your vehicle to measure the load from the alternator? Buy this product!

Pros: Very good indicator of voltage. The indication error is low, under 1%. The size of the numbers is perfect to be placed on a dashboard. The making power at the same voltage to be measured. Very convenient! It is very easy to use, just connect the two wires.

Cons: I see no cons for this product...........

Other: Nothing to add. Really is a great buy you will not regret making. It will be money well spent.

Pros: it is lightweight and small. I think its accurate but i didn't test it actually. bright screen you can see it well. i think you can use this for much purposes and it can be used for a lot of voltages.

Cons: make it can be cheaper but you dont hear me complaining about that. wires could be longer

Other: easy product for much purposes you should buy it.

Pros: Very simple and quality product. You only need to connect two wires to a power source and make a hole for installation. The device measures accurately, but with a slight delay.

Cons: Not really negative, but my device with blue numerals and not with the red. The brightness of numbers could be more intense.

Other: A quality instrument for accurate measurements