DC Signal-Powered, 0.48” LCD • DC voltage measurement from 3.5 to 199.9VDC • Automatic “+” or “-” Polarity indication • Easy 2-wire hook up • Input impedance varies from 10 KΩ at <10VDC to 60 KΩ with > 100VDC inputs • Display is blanked before reading becomes inaccurate when input signal drops to 3.5VDC.