vaunix LPH-204B 

Model LPH-204B
Electrical
  Number of Ports 4
  Compatibility USB 2.0 and 1.1
  Data Transfer Rate Up to 480 Mbps
  Vbus Regulation 4.85 to 5.15 VDC
(up to 1 amp per port)
  Load Current Monitor Yes
  Current Measurement Accuracy +/-10 mA max.
  Over Current Protection Yes (1 amp)
  Operational Temperature -30°C to +55°C
Mechanical
  Dimension 3.86 x 2.52 x 1.35 in.
(98 x 64 x 34 mm)
  Weight <8 oz. (<230g)
Physical Connection
  USB TypeB
  Power V - 24W AC/DC wall adapter
  Mounting Provision Counter-bore through holes (2)