+ - 5 LSD
Better the Least Significant Digit be in the thousandths of a volt column than the hundredths.
I know of DOZENS of different digital 3-1/2 meters that were so laughably inaccurate (three tenths of a volt in error plus or minus)
And one DROK 3-3/4 digit meter that hunted yes HUNTED +4 -3 TENTHS of a volt when connected to a nine volt alkaline battery sitting on my bench.
Just bought a round digital 2-3/4 digit volt meter for a friend. He chose it because of the colored arc of lights which may or may not help him get a rough idea of charger voltage at a distance. Error = .2 volt low. Yes. two-TENTHS.
The 5.0 digit panels meters I checked were qualified by lab calibration. If you doubt the continuity of accuracy in this line, the URL was given. If you test one and find error, please notify along with giving modality of your qualification -- the more testing and verification, the better.