1) Input: AC 110Vor220V, 50 / 60Hz, 6.5W 2) Output:a) DC 1.4V, 90-120mA x 4 b) DC 9V, 15mA 3) Charge 1-4pcs x AA or AAA Ni-MH or Ni-CN batteries, and 1pcs 9V batteries 4) LED indicate when changing 5) Flat plug, BS, European two round plug for choice