diff --git a/README.md b/README.md
index c45acb80..8016e8c4 100644
--- a/README.md
+++ b/README.md
@@ -198,7 +198,7 @@ The following devices have been tested and confirmed as working. If your device
 
 - **Plugs**: P100, P110, P110M, P115, P125M, P135, TP15
 - **Power Strips**: P210M, P300, P304M, P306, TP25
-- **Wall Switches**: S220, S500D, S505, S505D
+- **Wall Switches**: S210, S220, S500D, S505, S505D
 - **Bulbs**: L510B, L510E, L530E, L630
 - **Light Strips**: L900-10, L900-5, L920-5, L930-5
 - **Cameras**: C100, C210, C225, C325WB, C520WS, TC65, TC70
diff --git a/SUPPORTED.md b/SUPPORTED.md
index e62917c1..81469347 100644
--- a/SUPPORTED.md
+++ b/SUPPORTED.md
@@ -224,6 +224,8 @@ All Tapo devices require authentication.<br>Hub-Connected Devices may work acros
 
 ### Wall Switches
 
+- **S210**
+  - Hardware: 1.0 (EU) / Firmware: 1.9.0
 - **S220**
   - Hardware: 1.0 (EU) / Firmware: 1.9.0
 - **S500D**
diff --git a/tests/device_fixtures.py b/tests/device_fixtures.py
index a1b86835..af9b52cc 100644
--- a/tests/device_fixtures.py
+++ b/tests/device_fixtures.py
@@ -121,7 +121,17 @@ DIMMERS = {
 }
 
 HUBS_SMART = {"H100", "KH100"}
-SENSORS_SMART = {"T310", "T315", "T300", "T100", "T110", "S200B", "S200D", "S220"}
+SENSORS_SMART = {
+    "T310",
+    "T315",
+    "T300",
+    "T100",
+    "T110",
+    "S200B",
+    "S200D",
+    "S210",
+    "S220",
+}
 THERMOSTATS_SMART = {"KE100"}
 
 WITH_EMETER_IOT = {"HS110", "HS300", "KP115", "KP125", *BULBS_IOT}
diff --git a/tests/fixtures/smart/child/S210(EU)_1.0_1.9.0.json b/tests/fixtures/smart/child/S210(EU)_1.0_1.9.0.json
new file mode 100644
index 00000000..201612cd
--- /dev/null
+++ b/tests/fixtures/smart/child/S210(EU)_1.0_1.9.0.json
@@ -0,0 +1,168 @@
+{
+    "component_nego": {
+        "component_list": [
+            {
+                "id": "device",
+                "ver_code": 2
+            },
+            {
+                "id": "quick_setup",
+                "ver_code": 3
+            },
+            {
+                "id": "trigger_log",
+                "ver_code": 1
+            },
+            {
+                "id": "time",
+                "ver_code": 1
+            },
+            {
+                "id": "device_local_time",
+                "ver_code": 1
+            },
+            {
+                "id": "schedule",
+                "ver_code": 2
+            },
+            {
+                "id": "countdown",
+                "ver_code": 2
+            },
+            {
+                "id": "antitheft",
+                "ver_code": 1
+            },
+            {
+                "id": "account",
+                "ver_code": 1
+            },
+            {
+                "id": "synchronize",
+                "ver_code": 1
+            },
+            {
+                "id": "sunrise_sunset",
+                "ver_code": 1
+            },
+            {
+                "id": "cloud_connect",
+                "ver_code": 1
+            },
+            {
+                "id": "iot_cloud",
+                "ver_code": 1
+            },
+            {
+                "id": "delay_action",
+                "ver_code": 1
+            },
+            {
+                "id": "battery_detect",
+                "ver_code": 1
+            },
+            {
+                "id": "firmware",
+                "ver_code": 1
+            },
+            {
+                "id": "localSmart",
+                "ver_code": 1
+            }
+        ]
+    },
+    "get_antitheft_rules": {
+        "antitheft_rule_max_count": 1,
+        "enable": false,
+        "rule_list": []
+    },
+    "get_connect_cloud_state": {
+        "status": 0
+    },
+    "get_countdown_rules": {
+        "countdown_rule_max_count": 1,
+        "enable": false,
+        "rule_list": []
+    },
+    "get_device_info": {
+        "avatar": "switch_s210",
+        "battery_percentage": 100,
+        "bind_count": 2,
+        "category": "subg.plugswitch.switch",
+        "device_id": "SCRUBBED_CHILD_DEVICE_ID_2",
+        "device_on": true,
+        "fw_ver": "1.9.0 Build 231106 Rel.164425",
+        "has_set_location_info": true,
+        "hw_id": "00000000000000000000000000000000",
+        "hw_ver": "1.0",
+        "is_low": false,
+        "jamming_rssi": -111,
+        "jamming_signal_level": 1,
+        "lastOnboardingTimestamp": 1733332893,
+        "latitude": 0,
+        "led_off": 0,
+        "longitude": 0,
+        "mac": "DC6279000000",
+        "model": "S210",
+        "nickname": "I01BU0tFRF9OQU1FIw==",
+        "oem_id": "00000000000000000000000000000000",
+        "original_device_id": "0000000000000000000000000000000000000000",
+        "parent_device_id": "0000000000000000000000000000000000000000",
+        "position": 1,
+        "region": "Europe/London",
+        "rssi": -34,
+        "signal_level": 3,
+        "slot_number": 1,
+        "specs": "EU",
+        "status": "online",
+        "status_follow_edge": false,
+        "type": "SMART.TAPOSWITCH"
+    },
+    "get_device_usage": {
+        "time_usage": {
+            "past30": 12634,
+            "past7": 4388,
+            "today": 17
+        }
+    },
+    "get_fw_download_state": {
+        "cloud_cache_seconds": 1,
+        "download_progress": 0,
+        "reboot_time": 5,
+        "status": 0,
+        "upgrade_time": 5
+    },
+    "get_latest_fw": {
+        "fw_size": 0,
+        "fw_ver": "1.9.0 Build 231106 Rel.164425",
+        "hw_id": "",
+        "need_to_upgrade": false,
+        "oem_id": "",
+        "release_date": "",
+        "release_note": "",
+        "type": 0
+    },
+    "get_next_event": {},
+    "get_schedule_rules": {
+        "enable": false,
+        "rule_list": [],
+        "schedule_rule_max_count": 32,
+        "start_index": 0,
+        "sum": 0
+    },
+    "get_trigger_logs": {
+        "logs": [
+            {
+                "event": "singleClick",
+                "eventId": "85caedf6-73b1-50a8-5cae-df673b150a85",
+                "id": 20079,
+                "params": {
+                    "on_off": false
+                },
+                "timestamp": 1735898135
+            }
+        ],
+        "start_id": 20079,
+        "sum": 1
+    }
+}