green plus socket by KYU HO SONG from korea

“Use pollution-free and inexhaustible natural energy as much as you want."
This product is family use socket using solar heat.
Now when you go to work, only if you attach 'Green+' to the window glass and leave, you can use electricity free of charge.
In daytime you can use electronic equipment while recharging your battery with solar heat.
At night you can move socket to anywhere you want easily and can use electronic equipment.