4.02 x 2.01 x 0.98 inches

IN THE BOX: 4-hour Ni-MH battery charger for AA and AAA rechargeable batteries
EASY & EFFICIENT: Unit plugs into an AC wall outlet; recharges 2 or 4 AA or AAA Ni-MH batteries at a time (batteries must be charged in pairs)
CHARGES USB DEVICES: USB port (maximum output 500 mA) for charging a smartphone, iPod, or other handheld device