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DC 100V 10A Voltmeter Ammeter Blue Red LED Amp Dual Digital Volt Meter

Voltage measurement range: 0.0V-100V Current test range: 0-10A, 0-50A, 0-100A (3 ranges available) Power supply range: DC4-30.0V Voltage error: plusmn0.1% Current error: plusmn1% External shunt specifications: 75 milliohms Working current < 20mA Refresh rate: About 300mS once Display method: Double three 0.28'' LED digital tube Display color:  Red + Blue,Red+Green,Green+Blue Lead length: 15cm Dimensions: 48 x 29 x 22 mm, length X width X thickness; Mounting holes: 46 x 27 mm Operating temperature: -10degC~65de

Nodemcu ESP 32 wifi development board

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4.5V to 30V Voltmeter Digital Voltage Meter

  • Reverse Connect Protection
  • Range: DC4.5-30V (No need aditional power)
  • Display: Three 0.56'' LED digital tube
  • Display color: RED/ BLUE /GREN
  • Refresh rate: about 500mS / times
  • Input: DC voltage (<2 times the range)
  • Resolution: 1% +1 digit
  • Power Supply: DC4.5-30V (with the input common-line)
  • Operating temperature: -10°c~ 65°c

12v dc power supply

1.100% Brand new 100V - 240V AC to for DC power Adapter Charger 2.For 5050/3528 SMD LED Light or LCD Monitor or CCTV 3.Input : 100V-240V 50/60Hz 4.Output : For DC 12V 2A 24W 5.Out put adaptor jack size : 5.5mm x 2.5-2.1mm Compatible 6.The adapters Connector inside positive (+) outside negative (-) 7.Power Supply with LED indicator 8.Length of the cable: About 90CM