... to make your electicity bills cheaper; shows Voltage, Watt, kWh, $ and time; CE and RoHS approved ... power cost: electricity consumption and electricity cost in single operation period and accumulated electricity consumption ... 2-pin German plug (French plug optional)US version: standard US plug, earthedAU version: standard AU plug, earthedSwiss version: ... G.W 17kgs Best selling plug-in EU Energy Meter