Mini Digital Voltmeter Ammeter 0.28inch 2 Wire DC 3.0-30V LED Display Voltage Meter Waterproof Voltage Tester Detector -Green-

Specification: Material: Plastic Weight: 10g/0.35oz Input voltage 3.0-30 (V) Measuring voltage: 3-30V Output voltage 3.5-30 (V) Low operating voltage: 3.5v High working voltage: 30V Operating current: less than 30mA Measurement rate: 200ms/ time Working temperature: - 10? ~ 65? Measurement accuracy: 3% Display: 0.28 inch LED digital tube Working humidity: 10-80% (no condensation) Working pressure: 80~106kPa Display color: Red, Yellow, Green, Blue (Optional) Package List: 1* LED Digital Voltmeter 1* Cable