Add extra sockets where they are needed the most 8 surge extension sockets on a 1.8 metre cable Protects electrical equipment from damaging electrical surges & spikes 2 sockets with wider spacing for bulky transformers Wiring ground & surge OK indicators on LCDSoft power-up capability using surge- free on off switch Rated at 13A & 3250 W User selectable Maximum Amp switch 2A 5A & 10A or 13A by default Monitor energy consumption from the appliance plugged into each socket Great for seeing how much power your appliances are consuming Large LCD display Set up in less than 2 minutes Up to 7 different types of data displayed Measures voltage V amps A watts W KWH leakage current m A elapsed time day hour & power factor PFMinimum & maximum reading for voltage current watts & leakage current Memory function By simply plugging an appliance or extension lead into one of the sockets the LCD screen enables you to easily see the electricity usage of the plugged in appliances. It means that you can see useful data such as power consumed by all sockets power factor kilowatt hours used as found on your electricity bill active watts consumed voltage from the socket amps used. It also provides over current leakage current over & under voltage protection as well as protecting appliances & prolonging their life.