diff --git a/.env.sample b/.env.sample
index 706fc73f..b023b9a5 100644
--- a/.env.sample
+++ b/.env.sample
@@ -1,2 +1,9 @@
 MINISCOPE_IO_BASE_DIR="~/.config/miniscope_io"
-MINISCOPE_IO_LOGS__LEVEL="INFO"
\ No newline at end of file
+MINISCOPE_IO_LOGS__LEVEL="INFO"
+MINISCOPE_IO_CSVWRITER_BUFFER=1000
+MINISCOPE_IO_SERIAL_BUFFER=100
+MINISCOPE_IO_FRAME_BUFFER=100
+MINISCOPE_IO_IMAGE_BUFFER=100
+MINISCOPE_IO_STREAM_HEADER_PLOT_HISTORY=1000
+MINISCOPE_IO_STREAM_HEADER_PLOT_UPDATE_MS=1000
+MINISCOPE_IO_STREAM_HEADER_PLOT_KEY="linked_list,frame_num,buffer_count,frame_buffer_count,timestamp"
\ No newline at end of file