This is an XM Series Toyota 8A Rewriteable Smart Key PCB 

Newly support Toyota type 4D 8A 4A
Support 312MHZ~434MHZ frequency
Support change button and frequency
Clone-able
Support emergency start
Support re-generate and re-use, no need bonus points to generate
Support all key lost and add key
Generate via VVDI MINI, VVDI Key Tool, Key Tool Max, Key Tool Plus, VVDI2