TopHomer 4 Packs LED Digital Voltmeter Ammeter, Mini DC Digital Multimeter 100V 10A, Blue Red LED Amp Dual Digital Display Volt Meter Gauge, Car Current Monitor Tester 0.28"

Feature: Display color: Two Colors Dispaly red + blue. Display mode: Dual three digits 0.28 LED digital tube. Dual display - red and blue LED display. Voltage and current displayed simultaneously. With built-shunt, Could measure directly, easy to use. Application : Measuring for Car Auto Boat Battery Monitoring. Technical specifications: Measuring current: maximum 10 A Minimum resolution (A): 0.01 A Operating voltage: DC 4.5 ~ 30V Operating current:<20mA Measure voltage: DC 0 ~ 100V Minimum resolution (V): 0.1V Display: three 0.28 "LED Digital Tube Display color: red + blue (dual display) Refresh rate: approx. 500 ms / times Size: Approx. 48 x 29 x 21 mm Measuring accuracy: 1% Operating temperature: -10 - 65 degree Celsius Humidity: 10 to 80% (non-condensing) Working pressure: 80 to 106 kPa Note: The maximum input voltage does not exceed 30V, otherwise the meter will be burnt. The voltage is measured with the thick black cable and the thick red cable. The amperage is measured between the thick black cable and the yellow cable. The two thin cables for power connection 3.5 - 30V. Package: 4*Dual LED Digital Voltmeter Ammeter (2 in 1)

• Display color: Two Colors Dispaly red + blue.
• Display mode: Dual three digits 0.28 LED digital tube.
• Dual display - red and blue LED display. Voltage and current displayed simultaneously.
• With built-shunt, Could measure directly, easy to use.
• Application : Measuring for Car Auto Boat Battery Monitoring.