Yeeco 0.28" 3 Digits LED Dual Display Digital DC Voltmeter Ammeter Amp Volt Panel Meter Voltage Current Amp Gauge Ampere Voltage Measuring Tester Multimeter DC 0-200V/0-999mA Variable Precision (Red+Green)

Technical Parameters:
Weight: 20g
Display color: Red+Blue Red+Red Red+Green Red+Yellow
Display mode: Dual 0.28" LED digital 3 bit tube
Update rate: About 500 ms/time
Physical size:48 x 29 x 26 mm (L*W* H)
Opening size:45 x 26 mm (L*W)
Measurement accuracy:± (1% + 2words)
Supply voltage:DC3.5-30V(Red thin line +,Black thin line -)
Measurement range: DC 0-999mA(current)0-200V(voltage)
Function of onboard wire:
Red thin wire (VCC):Power input+ 3.5-30V
NOTE: If the measuring signal is lower than 28V and have abundant power supply, it can be used as power supply for the module (Yellow thin wire and Red thin wire are contacted together to use)
Black thin wire(GND):Power input- Measurement signal - 3.5-30V
Yellow thin wire (VIN):Measurement signal+ (0-200V)
Red thick wire (I+):Current input+ (Must be received at the load negative)
Black thick wire(I-):Current input-(in series in power supply negative)
Packing included:
1x Digital Voltmeter Ammeter