diff --git a/epaper-station/config.yaml b/epaper-station/config.yaml
index a91b537..23fa94c 100644
--- a/epaper-station/config.yaml
+++ b/epaper-station/config.yaml
@@ -1,6 +1,6 @@
 ---
 name: EPaper Station
-version: 1.0.0.37
+version: 1.0.0.38
   #image: ghcr.io/maxwinterstein/homeassistant-addon-toogoodtogo-ha-mqtt-bridge-{arch}
 slug: epaper-station 
 description: Publish Pictures to EPaper pricetags
@@ -20,11 +20,19 @@ options:
   image_path: "/config/epaper-station/images"
   image_format: "1bppR"
   channel: 25
+  checkin_delay: 300000
+  retry_delay: 1000
+  failed_checkins_till_blank: 5
+  failed_checkins_till_dissoc: 5
 schema:
-  serial_port: str
+  serial_port: device(subsystem=tty)
   image_path: str
   image_format: str
   channel: "int(11,25)"
+  checkin_delay: int
+  retry_delay: int
+  failed_checkins_till_blank: int
+  failed_checkins_till_dissoc: int
 stage: experimental
 url: https://github.com/jhbruhn/ZBS_Flasher
 hassio_api: true
diff --git a/epaper-station/rootfs/etc/services.d/epaper-station/run b/epaper-station/rootfs/etc/services.d/epaper-station/run
index a1581a8..427552a 100644
--- a/epaper-station/rootfs/etc/services.d/epaper-station/run
+++ b/epaper-station/rootfs/etc/services.d/epaper-station/run
@@ -8,6 +8,11 @@ export EPS_IMAGE_WORKDIR="/tmp"
 export EPS_DATABASE_DIR="/data/database/"
 export EPS_IMAGE_DIR="$(bashio::config 'image_path')"
 export EPS_IMAGE_FORMAT="$(bashio::config 'image_format')"
+export EPS_CHECKIN_DELAY="$(bashio::config 'checkin_delay')"
+export EPS_RETRY_DELAY="$(bashio::config 'retry_delay')"
+export EPS_FAILED_CHECKINS_TILL_BLANK="$(bashio::config 'failed_checkins_till_blank')"
+export EPS_FAILED_CHECKINS_TILL_DISSOC="$(bashio::config 'failed_checkins_till_dissoc')"
+
 mkdir -p $EPS_DATABASE_DIR
 mkdir -p $EPS_IMAGE_DIR