diff --git a/recorder.py b/recorder.py
index 7d2a256..f858868 100644
--- a/recorder.py
+++ b/recorder.py
@@ -49,6 +49,12 @@ WEB_PORT = int(
     os.environ.get("WEB_PORT", "8080")
 )
 
+TIMEZONE = ZoneInfo(os.environ.get("TIMEZONE", "Europe/Berlin"))
+
+START_DELAY = float(os.environ.get("START_DELAY", "3"))
+STOP_DELAY = float(os.environ.get("STOP_DELAY", "10"))
+POLL_INTERVAL = float(os.environ.get("POLL_INTERVAL", "2"))
+
 # ---------------------------------------------------------------------------
 # Branding / theme configuration