diff --git a/zhaquirks/heiman/SOS_EF_3_0.py b/zhaquirks/heiman/SOS_EF_3_0.py
new file mode 100644
index 0000000000..0c364bafcf
--- /dev/null
+++ b/zhaquirks/heiman/SOS_EF_3_0.py
@@ -0,0 +1,19 @@
+"""Heiman SOS-EF-3.0 device."""
+
+import datetime as dt
+
+from zigpy.quirks.v2 import QuirkBuilder
+from zigpy.quirks.v2.homeassistant.sensor import SensorDeviceClass
+
+(
+    QuirkBuilder("HEIMAN", "SOS-EF-3.0")
+    .sensor(
+        attribute_name="zone_status",
+        cluster_id=0x0500,
+        attribute_converter=lambda x: dt.datetime.now().astimezone(),
+        state_class=None,
+        device_class=SensorDeviceClass.TIMESTAMP,
+        fallback_name="Timestamp",
+    )
+    .add_to_registry()
+)