It is a 2in1 Red/Blue Led Display Digital Voltmeter Ammeter, Measure Voltage range: 0.0~600V, Measure Current Range: +/-  0.0~50.0A, Measuring accuracy: 1%(+/-2 words), It has small size, high efficiency, long term stable and reliable quality,easy installation and use . Applications:Suitable for Auto,Electric bikes,motorcycles, LED lights, industrial equipment,electronic equipment measurement or other products voltage current measurement.

Parameter:

• Wiring hole diameter: 8.5 mm
• Transformer dimension : L23.3 x W23 x T9.3 mm
• Measure Voltage range: 0.0~600V
• Resolution: 1
• Resistance: >2M
• Measure Current Range: +/- 0.0~50.0A
  
• Resolution: 0.1
• Power supply voltage: DC 4~30V(Note: the max voltage input should not be larger than 30V, or it will burn out)
• Working current: <30mA
• Display color: red+blue
• Testing rate: ≥500mS/per time
• Measuring accuracy: 1%(+/-2 words)
• Extreme working conditions:
  • Lowest power supply voltage: +4.0V
  • Max power supply voltage: +30V
  • Working temperature: -10 to 65 Celsius
  • Operating humidity: 10 to 80%(No condensation)
  • Working pressure: 80 to 106kPa
  • Direct sunshine: NO(please prevent direct sunshine)

Package includes:

• 1 x Digital Voltage Ammeter (2in1)
• 1 x 50A Current Transformer