Working voltage:220v, 50hz, 120V,60Hz, you an choose

socket and plug type:America type 5-15

current:10A,15A, 16A 20A, 30A

 the upper cut off voltage ,the lower cut off voltage and the delay time can change as the order

the device has a delay function after voltage cut off ,automatically reconnecting the power supply only after making sure that the voltage in the mains is normal and stable .

set the Delay time lower than 30 seconds is suitable for TV , LCD , DVD , Home cinema , PC , laptop , washer , dryer , oven , dishwasher , and other home appliances without compressor .

set the Delay time 3 minutes is suitable for refrigerator , freezer , air-condition , and other compressor equipment .

 the device has C-start button to finish the delay time to start work ,if protect the home appliance which have compressor ,don''t push the button usually .