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• 2 wire DC4 Description: 100 percent Brand new and wonderful This Red DC Voltage Meter withDC4 range It is straightforward to read, set up and use And it is self-powered version and helps Reverse polarity protection When the voltage is under 10V, there will 2 readings after decimal point, which imply the accuracy is 0 when it is beneath 10V; when it's above 10v, the accuracy is zero Mini RedLED show No power delivery necessary Measure Voltage: DC four two-wire entry Display: Three digit 0" LED, Red/Blue/Green Refresh Speed: Approx/time Highest input:DC 30V (higher than 30v has the danger of burn up) Minimum input:DC 4(below than 4,measurement is wrong or doesn't show) Minimum Resolution:0(<10V)/0(>10V) Resolution:1%plusmn1digit Working Temperature:-20°~65° Size:Approx 48mm x 29mm x 22mm(L*W*H) Hole Size: Approx*27mm Current Consumption:<23mA LED Color: Red/Blue/Green shade 2 cord DC electronic exhibit voltage meter zero inch LED digital voltmeter DC5V-120V high-precision Low start voltage, crimson minimum 5V, inexperienced minimal 5V, blue minimum 5V It has opposite connection protection and doesn't burn when connected reversely Ultra excessive withstand voltage 132v, no burning Measurement range: purple dc5-120, green dc5-120, blue dc5-120 delivery range: no extra energy delivery is required, and the measured voltage is instantly used because the energy supply, and the diversity is the same as aboveMaximum input: dc132v note: input voltage increased than 132v can cause permanent damage! Allowable error: ± 1%Input impedance: > 100k ΩWorking current: Red < 23ma, green < 18ma, blue < 13mARefresh speed: about 300ms onceDisplay mode: three digit 0 electronic tubeDisplay color: red, green and blueLead length: 20cmDimension: 48x29x22mm, size x width x thicknessOpening length 46x27mm3-wire DC 0-30VMeasurement range: 0-30VMinimum input: DC 0VMaximum input: dc30 ∨ (over this voltage, it may be burnt out)Allowable error: 1% (+ / - 1 word)Display mode: 3-digit zero "led nixie tubeDisplay color: red, green or blueRefresh speed: About 200ms / timePower supply: DC 3-30VCurrent consumption: less than 20mA, generally 5-15maWorking temperature: - 10 ℃ - 65 ℃Dimension: 48mm * 29mm * 22mmOpening size: forty six × 27mmLead length: 20cm

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