Red 0.28 inch ultra-small digital DC voltage meter three-wire digital adjustable DC 0-100V

R-type 0.28-inch ultra-small digital DC voltmeter three-wire digital adjustable DC 0-100V ? product description color: red parameter: Measuring range: DC 0 ~ 100V Working voltage: DC 3.0 ~ 30V Minimum input: DC 0V Maximum input: DC 100V Measurement accuracy: 1% (+/- 1 bit) Refresh rate: about 200mS / time Operating temperature: -10 ℃ ~ +65 ℃, Power consumption: 5-15mA under normal circumstances Display: Three 0.28 "LED digital tube Display color: green / red / blue / yellow Cutting size: 23.5mm X10mm Mounting hole distance: 28 mm wiring: Red: Power +, (3.0 ~ 30V DC) White: measurement voltage +, 0 ~ 100V DC) Black: Power - Measurement Voltage - note: 1. Meter requires additional DC 3.0 ~ 30V power supply 2. Resolution of 0.1V, the actual error may be greater than 0.1V