Powerful Pump DC Mini Air pump 370 motor 3V-6V DC 0.37-0.62A Great for Fishing or Oxygen Tank Voltage DC 3V-6V DC; Rated current : 370mA-620mA Motor diameter: 24.4 MM (370 motor); The outlet diameter: 4.3 MM; Height: 57.5MM; Weight: 58 G Packing: 1 x 370 motor pump Used for for Fishing or Oxygen Tank or diy