1.High precision
2.Low starting working voltage, red minimum 3.0V,
3.With reverse protection, anti-not burned.
Technical Parameters:
Measuring range: 0.00V-30.0V
supply range: DC3.00-30.0V
Maximum input: DC30.0V
Input impedance: greater than 100K ohms
Operating current: red <23mA
Refresh speed: about 300mS once
Display: three 0.56 "LED digital tube
Display color: red, green, blue 3 colors optional
Lead length: 20cm
Dimensions: 48 x 29 x 22 mm
Mounting hole: 46 x 27 mm
Operating temperature: -10 ? ~ 65 ?
package including : 1 pcs Voltmeter