This compact panel meter features a 3½ digit LED with 8mm (0.31-) digit height and one-piece snap-in housing.
With 200mV d.c. full scale readings, auto-zero, auto-polarity and user selectable decimal points, this meter can be used in 4.75 to 5.25V operation.
The DPM 340 is a low cost, popular part, normally stocked in high quantity and suitable for new designs.

Accuracy (overall error): 0.05% (typ.) ±1 count
Operating temperature: 0 to 50 °C
Sample rate: 3 samples/sec
Supply voltage: (V+ to V-) 4.75 to 5.25 V
Supply Current: 50 mA