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  • Material: Metal
  • Cross wrench size: 4mm, 5mm, 5.5mm, 7mm
  • Suitable for M2 M2.5 M3 M4 screw nut
  • Battery Type:14500 3.7V  
  • Rechargeable Battery Nominal Voltage: 3.7V
  • Wide Vin Range: 3V to 12V
  • Wiring without breadboard
  • Build in TB6612FNB motor driver
  • Direct connect to output without external components
  • Easy to code IoT
  • Code with Arduino IDE
  • Uses Blynk App for IoT