diff --git a/checks/check_snmp_synology.py b/checks/check_snmp_synology.py
index 059c661..bd6e552 100755
--- a/checks/check_snmp_synology.py
+++ b/checks/check_snmp_synology.py
@@ -83,7 +83,7 @@ def init_snmp_session(hostname: str = 'localhost', snmp_version: str | int = '2'
     return session
 
 #
-# Synology System Status
+# Synology [DSM & DSM UC] System partition status. 
 #
 class SNMPSynologySystemResource(nagiosplugin.Resource):
     def __init__(self, session) -> None:
@@ -127,6 +127,29 @@ class SNMPSynologySystemContext(nagiosplugin.Context):
         return self.result_cls(nagiosplugin.Unknown, "unknown", metric)
 
 
+#
+# Synology [DSM & DSM UC] Temperature of NAS
+# 
+class SNMPSynologySysTempResource(nagiosplugin.Resource):
+    def __init__(self, session) -> None:
+        self.session = session
+
+    def probe(self) -> list:
+        """check system status (normal or failed).
+        
+        Returns:
+            nagiosplugin.Metric: single metric element (return)
+        """
+        baseoid = '.1.3.6.1.4.1.6574.1'
+        oids = dict()
+        result = self.session.get(baseoid + '.2.0').value
+        return nagiosplugin.Metric(name='systemp', value=int(result), context='systemp_scalar_context')
+
+    def __init__(self, session) -> None:
+        self.session = session
+
+
+
 #
 # Arguments
 #
@@ -148,7 +171,7 @@ def parse_args() -> argparse.Namespace:
     argp.add_argument('-m', '--check_mode',
         choices=[
             'system',
-            'template2',
+            'systemp',
         ],
         help='check mode to run')
 
@@ -199,6 +222,11 @@ def main():
             SNMPSynologySystemContext(name='system_context'),
             nagiosplugin.Summary())
             check.name = "System Status"
+        case 'systemp':
+            check = nagiosplugin.Check(SNMPSynologySysTempResource(session=session),
+            nagiosplugin.ScalarContext(name='systemp_scalar_context', warning=args.warning, critical=args.critical),
+            nagiosplugin.Summary())
+            check.name = "System Temperatur"
         case _:
             raise nagiosplugin.CheckError(f'Unknown check mode: {args.check_mode}')