Below just a reference:  (It's better test your original key before you order the board, because little same year have 2 modulation)
ASK : Before -2011 
FSK: After 2011-

Condition: 100% Brand New
Color: As picture show
Button: 2/3 Button
Frequency 433MHz,AKD/FSK modulation
Transponder Chip: with ID46 CE0536
Electronics Board: Yes

Fitment:
For Peugeot
For Citroen
And other model with the same specifications of key blank and battery holder listed as below section...

Important Note:
Please Check and make sure your remote is using the same transmitter and chip as Our items before buying.
if your origional key has different of the frequency, please don't buy. It will not work.
Ce0523: the car key battery install on the electronic board
Ce0536: the car key battery install on the Car Key Shell

Package Includes:
1 X Remote Car Key Circuit Board