Step Down voltage converter: Your original power supply is 120V or 110V like the power system in US, Canada, Mexico, UMI converters will convert the working voltage 110-120V to 100V for your Japan electrical appliances.
^^ Surge-protector: All of our 120v to 100v step down voltage converters is equipped with surge-protector to protect your home circuit from circuit breakers trip and fuse blow.
^^ Toroidal Transformer: With ultra-thin ring-type transformer, slim, small size(7* 18.5 *24cm/ 2.76" * 7.28" * 9.45" ), light weight( 4.1 kg/ 9.03 lbs), energy saving, quiet and high efficiency; CE & CQC Certified! ^^ 2 outlet sockets: Can use 2 electrical appliances work at 100v simultaneously, just make sure the total power consumption do not exceed the rated power 1800w.
^^ Display: Shows the input voltage and power consumption, easy to know the working status of the step down voltage converter.