I purchased my controller with an SD card but I can't find the card in my order
When you purchase a controller with the optional SD memory card for storing sequences, we pre-install the SD card in your controller before it ships. Here is the location of where the SD card is installed on different controllers:
EasyLights PIX16 / EasyLights AC24:
To remove the SD card, press and then release the card on the right hand side of the board above. The card shown above is grey and red. To install the SD card, slide the card into the slot and then gently press the SD card into place until it snaps in place and is almost flush with the edge of the circuit board.