diff --git a/SUPPORTED.md b/SUPPORTED.md
index 7273735c..ce0d5a60 100644
--- a/SUPPORTED.md
+++ b/SUPPORTED.md
@@ -240,12 +240,15 @@ All Tapo devices require authentication.<br>Hub-Connected Devices may work acros
 - **T110**
   - Hardware: 1.0 (EU) / Firmware: 1.8.0
   - Hardware: 1.0 (EU) / Firmware: 1.9.0
+  - Hardware: 1.0 (US) / Firmware: 1.9.0
 - **T300**
   - Hardware: 1.0 (EU) / Firmware: 1.7.0
 - **T310**
   - Hardware: 1.0 (EU) / Firmware: 1.5.0
+  - Hardware: 1.0 (US) / Firmware: 1.5.0
 - **T315**
   - Hardware: 1.0 (EU) / Firmware: 1.7.0
+  - Hardware: 1.0 (US) / Firmware: 1.8.0
 
 
 <!--SUPPORTED_END-->
diff --git a/kasa/tests/fixtures/smart/child/T110(US)_1.0_1.9.0.json b/kasa/tests/fixtures/smart/child/T110(US)_1.0_1.9.0.json
new file mode 100644
index 00000000..73aeeb1a
--- /dev/null
+++ b/kasa/tests/fixtures/smart/child/T110(US)_1.0_1.9.0.json
@@ -0,0 +1,105 @@
+{
+    "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": "account",
+                "ver_code": 1
+            },
+            {
+                "id": "synchronize",
+                "ver_code": 1
+            },
+            {
+                "id": "cloud_connect",
+                "ver_code": 1
+            },
+            {
+                "id": "iot_cloud",
+                "ver_code": 1
+            },
+            {
+                "id": "firmware",
+                "ver_code": 1
+            },
+            {
+                "id": "localSmart",
+                "ver_code": 1
+            },
+            {
+                "id": "battery_detect",
+                "ver_code": 1
+            }
+        ]
+    },
+    "get_auto_update_info": -1001,
+    "get_connect_cloud_state": {
+        "status": 0
+    },
+    "get_device_info": {
+        "at_low_battery": false,
+        "avatar": "outdoor",
+        "bind_count": 1,
+        "category": "subg.trigger.contact-sensor",
+        "device_id": "SCRUBBED_CHILD_DEVICE_ID_3",
+        "fw_ver": "1.9.0 Build 230704 Rel.154559",
+        "hw_id": "00000000000000000000000000000000",
+        "hw_ver": "1.0",
+        "jamming_rssi": -116,
+        "jamming_signal_level": 1,
+        "lastOnboardingTimestamp": 1724635267,
+        "mac": "A86E84000000",
+        "model": "T110",
+        "nickname": "I01BU0tFRF9OQU1FIw==",
+        "oem_id": "00000000000000000000000000000000",
+        "open": false,
+        "parent_device_id": "0000000000000000000000000000000000000000",
+        "region": "Australia/Canberra",
+        "report_interval": 16,
+        "rssi": -55,
+        "signal_level": 3,
+        "specs": "US",
+        "status": "online",
+        "status_follow_edge": false,
+        "type": "SMART.TAPOSENSOR"
+    },
+    "get_device_time": -1001,
+    "get_device_usage": -1001,
+    "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 230704 Rel.154559",
+        "hw_id": "",
+        "need_to_upgrade": false,
+        "oem_id": "",
+        "release_date": "",
+        "release_note": "",
+        "type": 0
+    },
+    "qs_component_nego": -1001
+}
diff --git a/kasa/tests/fixtures/smart/child/T310(US)_1.0_1.5.0.json b/kasa/tests/fixtures/smart/child/T310(US)_1.0_1.5.0.json
new file mode 100644
index 00000000..518e4eb7
--- /dev/null
+++ b/kasa/tests/fixtures/smart/child/T310(US)_1.0_1.5.0.json
@@ -0,0 +1,133 @@
+{
+    "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": "account",
+                "ver_code": 1
+            },
+            {
+                "id": "synchronize",
+                "ver_code": 1
+            },
+            {
+                "id": "cloud_connect",
+                "ver_code": 1
+            },
+            {
+                "id": "iot_cloud",
+                "ver_code": 1
+            },
+            {
+                "id": "firmware",
+                "ver_code": 1
+            },
+            {
+                "id": "localSmart",
+                "ver_code": 1
+            },
+            {
+                "id": "battery_detect",
+                "ver_code": 1
+            },
+            {
+                "id": "temperature",
+                "ver_code": 1
+            },
+            {
+                "id": "humidity",
+                "ver_code": 1
+            },
+            {
+                "id": "temp_humidity_record",
+                "ver_code": 1
+            },
+            {
+                "id": "comfort_temperature",
+                "ver_code": 1
+            },
+            {
+                "id": "comfort_humidity",
+                "ver_code": 1
+            },
+            {
+                "id": "report_mode",
+                "ver_code": 1
+            }
+        ]
+    },
+    "get_auto_update_info": -1001,
+    "get_connect_cloud_state": {
+        "status": 0
+    },
+    "get_device_info": {
+        "at_low_battery": false,
+        "avatar": "sensor_t310",
+        "bind_count": 1,
+        "category": "subg.trigger.temp-hmdt-sensor",
+        "current_humidity": 51,
+        "current_humidity_exception": 0,
+        "current_temp": 19.4,
+        "current_temp_exception": -0.6,
+        "device_id": "SCRUBBED_CHILD_DEVICE_ID_1",
+        "fw_ver": "1.5.0 Build 230105 Rel.180832",
+        "hw_id": "00000000000000000000000000000000",
+        "hw_ver": "1.0",
+        "jamming_rssi": -113,
+        "jamming_signal_level": 1,
+        "lastOnboardingTimestamp": 1724637745,
+        "mac": "F0A731000000",
+        "model": "T310",
+        "nickname": "I01BU0tFRF9OQU1FIw==",
+        "oem_id": "00000000000000000000000000000000",
+        "parent_device_id": "0000000000000000000000000000000000000000",
+        "region": "Australia/Canberra",
+        "report_interval": 16,
+        "rssi": -36,
+        "signal_level": 3,
+        "specs": "US",
+        "status": "online",
+        "status_follow_edge": false,
+        "temp_unit": "celsius",
+        "type": "SMART.TAPOSENSOR"
+    },
+    "get_device_time": -1001,
+    "get_device_usage": -1001,
+    "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": "1.5.0 Build 230105 Rel.180832",
+        "hw_id": "",
+        "need_to_upgrade": false,
+        "oem_id": "",
+        "release_date": "",
+        "release_note": "",
+        "type": 0
+    },
+    "qs_component_nego": -1001
+}
diff --git a/kasa/tests/fixtures/smart/child/T315(US)_1.0_1.8.0.json b/kasa/tests/fixtures/smart/child/T315(US)_1.0_1.8.0.json
new file mode 100644
index 00000000..33438bb2
--- /dev/null
+++ b/kasa/tests/fixtures/smart/child/T315(US)_1.0_1.8.0.json
@@ -0,0 +1,134 @@
+{
+    "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": "account",
+                "ver_code": 1
+            },
+            {
+                "id": "synchronize",
+                "ver_code": 1
+            },
+            {
+                "id": "cloud_connect",
+                "ver_code": 1
+            },
+            {
+                "id": "iot_cloud",
+                "ver_code": 1
+            },
+            {
+                "id": "firmware",
+                "ver_code": 1
+            },
+            {
+                "id": "localSmart",
+                "ver_code": 1
+            },
+            {
+                "id": "battery_detect",
+                "ver_code": 1
+            },
+            {
+                "id": "temperature",
+                "ver_code": 1
+            },
+            {
+                "id": "humidity",
+                "ver_code": 1
+            },
+            {
+                "id": "temp_humidity_record",
+                "ver_code": 1
+            },
+            {
+                "id": "comfort_temperature",
+                "ver_code": 1
+            },
+            {
+                "id": "comfort_humidity",
+                "ver_code": 1
+            },
+            {
+                "id": "report_mode",
+                "ver_code": 1
+            }
+        ]
+    },
+    "get_auto_update_info": -1001,
+    "get_connect_cloud_state": {
+        "status": 0
+    },
+    "get_device_info": {
+        "at_low_battery": false,
+        "avatar": "sensor_t315",
+        "battery_percentage": 100,
+        "bind_count": 1,
+        "category": "subg.trigger.temp-hmdt-sensor",
+        "current_humidity": 53,
+        "current_humidity_exception": 0,
+        "current_temp": 18.3,
+        "current_temp_exception": -0.7,
+        "device_id": "SCRUBBED_CHILD_DEVICE_ID_2",
+        "fw_ver": "1.8.0 Build 230921 Rel.091519",
+        "hw_id": "00000000000000000000000000000000",
+        "hw_ver": "1.0",
+        "jamming_rssi": -114,
+        "jamming_signal_level": 1,
+        "lastOnboardingTimestamp": 1724637369,
+        "mac": "202351000000",
+        "model": "T315",
+        "nickname": "I01BU0tFRF9OQU1FIw==",
+        "oem_id": "00000000000000000000000000000000",
+        "parent_device_id": "0000000000000000000000000000000000000000",
+        "region": "Australia/Canberra",
+        "report_interval": 16,
+        "rssi": -50,
+        "signal_level": 3,
+        "specs": "US",
+        "status": "online",
+        "status_follow_edge": false,
+        "temp_unit": "celsius",
+        "type": "SMART.TAPOSENSOR"
+    },
+    "get_device_time": -1001,
+    "get_device_usage": -1001,
+    "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": "1.8.0 Build 230921 Rel.091519",
+        "hw_id": "",
+        "need_to_upgrade": false,
+        "oem_id": "",
+        "release_date": "",
+        "release_note": "",
+        "type": 0
+    },
+    "qs_component_nego": -1001
+}