diff --git a/SUPPORTED.md b/SUPPORTED.md
index f887088e..002a9f0f 100644
--- a/SUPPORTED.md
+++ b/SUPPORTED.md
@@ -86,6 +86,7 @@ Some newer Kasa devices require authentication. These are marked with <sup>*</su
   - Hardware: 1.0 (US) / Firmware: 1.0.6
 - **KS200M**
   - Hardware: 1.0 (US) / Firmware: 1.0.11
+  - Hardware: 1.0 (US) / Firmware: 1.0.12
   - Hardware: 1.0 (US) / Firmware: 1.0.8
 - **KS205**
   - Hardware: 1.0 (US) / Firmware: 1.0.2<sup>\*</sup>
diff --git a/kasa/tests/fixtures/KS200M(US)_1.0_1.0.12.json b/kasa/tests/fixtures/KS200M(US)_1.0_1.0.12.json
new file mode 100644
index 00000000..aabbdb06
--- /dev/null
+++ b/kasa/tests/fixtures/KS200M(US)_1.0_1.0.12.json
@@ -0,0 +1,96 @@
+{
+    "smartlife.iot.LAS": {
+        "get_config": {
+            "devs": [
+                {
+                    "dark_index": 0,
+                    "enable": 1,
+                    "hw_id": 0,
+                    "level_array": [
+                        {
+                            "adc": 390,
+                            "name": "cloudy",
+                            "value": 15
+                        },
+                        {
+                            "adc": 300,
+                            "name": "overcast",
+                            "value": 11
+                        },
+                        {
+                            "adc": 222,
+                            "name": "dawn",
+                            "value": 8
+                        },
+                        {
+                            "adc": 222,
+                            "name": "twilight",
+                            "value": 8
+                        },
+                        {
+                            "adc": 111,
+                            "name": "total darkness",
+                            "value": 4
+                        },
+                        {
+                            "adc": 2400,
+                            "name": "custom",
+                            "value": 94
+                        }
+                    ],
+                    "max_adc": 2550,
+                    "min_adc": 0
+                }
+            ],
+            "err_code": 0,
+            "ver": "1.0"
+        }
+    },
+    "smartlife.iot.PIR": {
+        "get_config": {
+            "array": [
+                80,
+                50,
+                20,
+                0
+            ],
+            "cold_time": 600000,
+            "enable": 1,
+            "err_code": 0,
+            "max_adc": 4095,
+            "min_adc": 0,
+            "trigger_index": 1,
+            "version": "1.0"
+        }
+    },
+    "system": {
+        "get_sysinfo": {
+            "active_mode": "none",
+            "alias": "#MASKED_NAME#",
+            "dev_name": "Smart Light Switch with PIR",
+            "deviceId": "0000000000000000000000000000000000000000",
+            "err_code": 0,
+            "feature": "TIM",
+            "hwId": "00000000000000000000000000000000",
+            "hw_ver": "1.0",
+            "icon_hash": "",
+            "latitude_i": 0,
+            "led_off": 0,
+            "longitude_i": 0,
+            "mac": "98:25:4A:00:00:00",
+            "mic_type": "IOT.SMARTPLUGSWITCH",
+            "model": "KS200M(US)",
+            "next_action": {
+                "type": -1
+            },
+            "obd_src": "tplink",
+            "oemId": "00000000000000000000000000000000",
+            "on_time": 0,
+            "relay_state": 0,
+            "rssi": -55,
+            "status": "new",
+            "sw_ver": "1.0.12 Build 240507 Rel.143458",
+            "updating": 0
+        }
+    }
+}