diff --git a/src/devices/sonoff.ts b/src/devices/sonoff.ts
index 9393165e462e2..48cccebcaf265 100644
--- a/src/devices/sonoff.ts
+++ b/src/devices/sonoff.ts
@@ -622,6 +622,34 @@ const definitions: Definition[] = [
                 unit: 'mV',
                 access: 'STATE_GET',
             }),
+            numeric({
+                name: 'valve_opening_degree',
+                cluster: 0xFC11,
+                attribute: {ID: 0x600B, type: 0x20},
+                description: 'Valve open position (percentage) control. ' +
+                    'If the opening degree is set to 100%, the valve is fully open when it is opened. ' +
+                    'If the opening degree is set to 0%, the valve is fully closed when it is opened, ' +
+                    'and the default value is 100%. ' +
+                    'Note: only version v1.1.4 or higher is supported.',
+                valueMin: 0.0,
+                valueMax: 100.0,
+                valueStep: 1.0,
+                unit: '%',
+            }),
+            numeric({
+                name: 'valve_closing_degree',
+                cluster: 0xFC11,
+                attribute: {ID: 0x600C, type: 0x20},
+                description: 'Valve closed position (percentage) control. ' +
+                    'If the closing degree is set to 100%, the valve is fully closed when it is closed. ' +
+                    'If the closing degree is set to 0%, the valve is fully opened when it is closed, ' +
+                    'and the default value is 100%. ' +
+                    'Note: Only version v1.1.4 or higher is supported.',
+                valueMin: 0.0,
+                valueMax: 100.0,
+                valueStep: 1.0,
+                unit: '%',
+            }),
             sonoffExtend.weeklySchedule(),
             customTimeResponse('1970_UTC'),
         ],