0.28" Digital DC 200V 10A Voltmeter Ammeter 4 Digit 5 Wire Current Voltage Meter 0.28 Inch Digital DC Ammeter 4 Bit 5 Wires DC 200V 10A Voltage Meter Current Power Supply Red Blue LED Dual Display Specifications: High Precision, Four Digital Displays Working Voltage: DC4V-28V Working Current:lt; 20mA Display: 0.28" bi-color blue and red Measuring range: DC 0-200V 0-10A built-in shunt Measurement accuracy: Voltage: range x 0.08%+two digits Current: range x 0.08%+two digits Refresh rate: about 1S/3 times Operating temperature: -10 to 65°c Working pressure: 80 to 106 kPa Size: 48 × 29 × 20mm O wiring: Red line thin: power supply + Red line (thick): IN+, current input Yellow line (thick):P W+, voltage at input terminals positiv Black line thick: COM, common measurement Package included: 1x digital DC voltmeter DC ammeter 200V 10A voltage current meter power supply red blue LED dual display"