diff --git a/hikvision-doorbell/src/doorbell.py b/hikvision-doorbell/src/doorbell.py
index 92c9410..db3affe 100644
--- a/hikvision-doorbell/src/doorbell.py
+++ b/hikvision-doorbell/src/doorbell.py
@@ -20,8 +20,9 @@ class DeviceType(IntEnum):
     K1T341AM = 10503
     K1T341M = 10510
     K1T343 = 10533
+    K1T673 = 10534
     K1T342 = 10538
-    K1T670M = 10552
+    K1T670 = 10552
     HD = 31
     AccessControlTerminal = 861