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Description Mini Digital Voltmeter DC 0-10V Volt Panel Voltage Meter Tester 0.36” inch Blue LED Display Product DescriptionSpecifications:Physical size: 23mmx15mmx10mm (not including installation ears)Overall Dimensions: 33 X 15 X 10mm Measurement range: DC0-10VMinimum input: DC0VMaximum input: DC10V (higher than this voltage is dangerous to burn) Open hole size: 24 X 15mm Wire length: 15cm Allowance error: 1% (+/-1 digit) Net weight: 5g Display mode: three-position 0.36inch LED digital tube Gross weight: 8g Display color: blueOption color: if you need red or green color, please contact our sales managerThe refresh rate: is about 200ms/times Power supply: DC 3.0-30V Current Consumption: less than 20mA, usually 5-15mA Working temperature: -10℃~65℃ Features & details