The world's most innovative solar device: electronic grave

At the heart of the electronic tomb is an electronic tombstone, and a qualified tombstone can store all your digital information before you were born: your personal site, blogs, and other network information, and pass it to your visitor's smart phone or computer via Bluetooth technology. Electronic gravestones can record your life and personality through websites, audio, pictures, videos, etc. Your relatives and friends can stand at your grave and update their electronic information to complete your memories and memories. And, all this is solar energy.