ماژول ولت متر دیجیتال 4.5 تا 30 ولت DC رنگ قرمز ۲ سیم

DC DIGITAL VOLTMETER 0.56″ 4.5 – 30 Volt 2 Wire
This voltmeter is suitable for almost all electric vehicles, high precision, stable and reliable.
Technical Parameters
Measuring range Red DC 4.5-30.0V
Power supply range: No need to supply power separately, directly use the measured voltage as the power supply, the scope is the same as above.
Allowable error: ± 1%
Wires: 2
input resistance: > 100K Europe
Working current: Red < 23mA
Refresh rate: About 300mS once
Display method: Three “0.56” LED digital tubes
Display color: red
Lead length: 20cm
Dimensions 48 x 29 x 22 mm
Hole Size 46 x 27 mm
Operating temperature: -20 °C ~ 65 °C