Product details:

SMD VM-1 12 Volt Steve Meade Designs Analog LED DC Volt Meter
The VM-1 is a Volt Meter created and engineered by Steve Meade Designs. The VM-1 provides a real-time display of the input voltage, unlike a digital display meter that suffers from the slow response of a seven-segment digital display and our ability to read such a display quickly.
This Listing Includes:
(1) Volt Meter
Features:
- 100% Analog circuitry allows for near-instantaneous voltage accuracy versus a traditional digital voltage meter.
- Response time from one end of the range to the other is less than 200 milliseconds.
Specifications:
Input Range: 6v-30v
Voltage Reading Range: 10.1v - 15.8v
Accuracy: +/- 0.15v (due to the nature of a bar graph)
Dimensions: 2.75 x 2.75 x 0.47"