2Pcs Mini Digital DC Voltmeter LED Display Voltage Tester Meter 3 Wire Red Light 0.36in 0?30V

Feature: 1. HIGH ACCURACY: Mini digital DC voltmeter possess high accuracy, the refresh rate is about 300mS once 2. 0V30V MEASURING RANGE: Measuring range from 0V30V, support low start working voltage, the minimum is 4.7V 3. REVERSE CONNECTION PROTECTION: Come with reverse connection protection function, no burning when reverse connection 4. LED DIGITAL TUBE: Using three digit 0.36in LED digital tube, which possess high brightness and clear display 5. FOR DIY PRODUCTION: Made of PCB material, with reliability and miniaturization, good maintenance and interchangeability, used for DIY production Specification: Item Type: Mini Digital DC Voltmeter Material: PCB Purpose: DIY production Measuring Range: 0.00V30.0V Power Supply Range: DC 4.7030.0V Maximum Input: DC 30.0V Allowable Error: +1percent ; When Greater Than Or Equal To 10V: +0.3V; When Less Than 10V: +0.10 Input Impedance: > 100K ohm Working Current: Red <23mA Refresh Speed: About 300mS once Display Mode: Three digit 0.36in LED digital tube

Length: Approx. 15cm 5.9in Installation Hole: Hole Pitch: Approx. 28mm 1.1in, Hole Diameter: Approx. 2.8mm 0.11in Working Temperature: 10 celsius ~65 celsius . Package List: 2 x Mini Digital DC VoltmeterHIGH ACCURACY: Mini digital DC voltmeter possess high accuracy, the refresh rate is about 300mS once 0V30V MEASURING RANGE: Measuring range from 0V30V, support low start working voltage, the minimum is 4.7V REVERSE CONNECTION PROTECTION: Come with reverse connection protection function, no burning when reverse connection LED DIGITAL TUBE: Using three digit 0.36in LED digital tube, which possess high brightness and clear display FOR DIY PRODUCTION: Made of PCB material, with reliability and miniaturization, good maintenance and interchangeability, used for DIY production