diff --git a/paradox/hardware/__init__.py b/paradox/hardware/__init__.py
index 137f62c..d3fef67 100644
--- a/paradox/hardware/__init__.py
+++ b/paradox/hardware/__init__.py
@@ -30,6 +30,7 @@ def create_panel(core, start_communication_response: Container = None) -> Panel:
     elif product_id in [
         "SPECTRA_SP4000",
         "SPECTRA_SP5500",
+        "SPECTRA_SP550_PLUS",
         "SPECTRA_SP6000",
         "SPECTRA_SP7000",
         "SPECTRA_SP65",
diff --git a/paradox/hardware/common.py b/paradox/hardware/common.py
index 6e5e763..e492652 100644
--- a/paradox/hardware/common.py
+++ b/paradox/hardware/common.py
@@ -44,6 +44,7 @@ def PacketChecksum(subcons):
     SPECTRA_SP7000=23,
     SPECTRA_SP4000=26,
     SPECTRA_SP65=27,
+    SPECTRA_SP550_PLUS=28,
     SPECTRA_SP6000_PLUS=29,
     SPECTRA_SP7000_PLUS=30,
     MAGELLAN_MG5000=64,