Quick overview from the supplier:
TP-Link 500Mbps Powerline Adapter KIT, TL-PA4010KIT, Plug(EU)
// HomePlug AV standard compliant, high-speed data transfer rates of up to 600Mbps
Miniature design, smaller than most powerline adapters at the market, blends discreetly in front of any power outlet
No new wires, Easy Plug and Play operation, No configuration required
Patented Power-Saving Mode automatically reduces power consumption by up to 85%
