diff --git a/kasa/tests/fixtures/HS100(US)_2.0_1.5.6.json b/kasa/tests/fixtures/HS100(US)_2.0_1.5.6.json
new file mode 100644
index 000000000..5d10130fc
--- /dev/null
+++ b/kasa/tests/fixtures/HS100(US)_2.0_1.5.6.json
@@ -0,0 +1,37 @@
+{
+    "emeter": {
+        "get_realtime": {
+            "err_code": -1,
+            "err_msg": "module not support"
+        }
+    },
+    "system": {
+        "get_sysinfo": {
+            "active_mode": "none",
+            "alias": "Home Development Env HS100",
+            "dev_name": "Smart Wi-Fi Plug",
+            "deviceId": "0000000000000000000000000000000000000000",
+            "err_code": 0,
+            "feature": "TIM",
+            "fwId": "00000000000000000000000000000000",
+            "hwId": "00000000000000000000000000000000",
+            "hw_ver": "2.0",
+            "icon_hash": "",
+            "latitude_i": 0,
+            "led_off": 0,
+            "longitude_i": 0,
+            "mac": "00:00:00:00:00:00",
+            "model": "HS100(US)",
+            "next_action": {
+                "type": -1
+            },
+            "oemId": "00000000000000000000000000000000",
+            "on_time": 315014,
+            "relay_state": 1,
+            "rssi": -46,
+            "sw_ver": "1.5.6 Build 191118 Rel.140307",
+            "type": "IOT.SMARTPLUGSWITCH",
+            "updating": 0
+        }
+    }
+}
diff --git a/kasa/tests/fixtures/HS110(US)_1.0_1.2.6.json b/kasa/tests/fixtures/HS110(US)_1.0_1.2.6.json
new file mode 100644
index 000000000..5e285e729
--- /dev/null
+++ b/kasa/tests/fixtures/HS110(US)_1.0_1.2.6.json
@@ -0,0 +1,37 @@
+{
+    "emeter": {
+        "get_realtime": {
+            "current": 0.128037,
+            "err_code": 0,
+            "power": 7.677094,
+            "total": 30.404,
+            "voltage": 118.917389
+        }
+    },
+    "system": {
+        "get_sysinfo": {
+            "active_mode": "schedule",
+            "alias": "Home Google WiFi HS110",
+            "dev_name": "Wi-Fi Smart Plug With Energy Monitoring",
+            "deviceId": "0000000000000000000000000000000000000000",
+            "err_code": 0,
+            "feature": "TIM:ENE",
+            "fwId": "00000000000000000000000000000000",
+            "hwId": "00000000000000000000000000000000",
+            "hw_ver": "1.0",
+            "icon_hash": "",
+            "latitude": 0,
+            "led_off": 0,
+            "longitude": 0,
+            "mac": "00:00:00:00:00:00",
+            "model": "HS110(US)",
+            "oemId": "00000000000000000000000000000000",
+            "on_time": 14048150,
+            "relay_state": 1,
+            "rssi": -38,
+            "sw_ver": "1.2.6 Build 200727 Rel.121701",
+            "type": "IOT.SMARTPLUGSWITCH",
+            "updating": 0
+        }
+    }
+}
diff --git a/kasa/tests/fixtures/HS300(US)_1.0_1.0.21.json b/kasa/tests/fixtures/HS300(US)_1.0_1.0.21.json
new file mode 100644
index 000000000..388fadf35
--- /dev/null
+++ b/kasa/tests/fixtures/HS300(US)_1.0_1.0.21.json
@@ -0,0 +1,89 @@
+{
+    "emeter": {
+        "get_realtime": {
+            "current_ma": 544,
+            "err_code": 0,
+            "power_mw": 62430,
+            "total_wh": 26889,
+            "voltage_mv": 118389
+        }
+    },
+    "system": {
+        "get_sysinfo": {
+            "alias": "TP-LINK_Power Strip_2CA9",
+            "child_num": 6,
+            "children": [
+                {
+                    "alias": "Home CameraPC",
+                    "id": "800623145DFF1AA096363EFD161C2E661A9D8DED00",
+                    "next_action": {
+                        "type": -1
+                    },
+                    "on_time": 1449897,
+                    "state": 1
+                },
+                {
+                    "alias": "Home Firewalla",
+                    "id": "800623145DFF1AA096363EFD161C2E661A9D8DED01",
+                    "next_action": {
+                        "type": -1
+                    },
+                    "on_time": 1449897,
+                    "state": 1
+                },
+                {
+                    "alias": "Home Cox modem",
+                    "id": "800623145DFF1AA096363EFD161C2E661A9D8DED02",
+                    "next_action": {
+                        "type": -1
+                    },
+                    "on_time": 1449897,
+                    "state": 1
+                },
+                {
+                    "alias": "Home rpi3-2",
+                    "id": "800623145DFF1AA096363EFD161C2E661A9D8DED03",
+                    "next_action": {
+                        "type": -1
+                    },
+                    "on_time": 1449897,
+                    "state": 1
+                },
+                {
+                    "alias": "Home Camera Switch",
+                    "id": "800623145DFF1AA096363EFD161C2E661A9D8DED05",
+                    "next_action": {
+                        "type": -1
+                    },
+                    "on_time": 1449897,
+                    "state": 1
+                },
+                {
+                    "alias": "Home Network Switch",
+                    "id": "800623145DFF1AA096363EFD161C2E661A9D8DED04",
+                    "next_action": {
+                        "type": -1
+                    },
+                    "on_time": 1449897,
+                    "state": 1
+                }
+            ],
+            "deviceId": "0000000000000000000000000000000000000000",
+            "err_code": 0,
+            "feature": "TIM:ENE",
+            "hwId": "00000000000000000000000000000000",
+            "hw_ver": "1.0",
+            "latitude_i": 0,
+            "led_off": 0,
+            "longitude_i": 0,
+            "mac": "00:00:00:00:00:00",
+            "mic_type": "IOT.SMARTPLUGSWITCH",
+            "model": "HS300(US)",
+            "oemId": "00000000000000000000000000000000",
+            "rssi": -39,
+            "status": "new",
+            "sw_ver": "1.0.21 Build 210524 Rel.161309",
+            "updating": 0
+        }
+    }
+}
diff --git a/kasa/tests/fixtures/KL120(US)_1.0_1.8.11.json b/kasa/tests/fixtures/KL120(US)_1.0_1.8.11.json
new file mode 100644
index 000000000..1d8e1fce9
--- /dev/null
+++ b/kasa/tests/fixtures/KL120(US)_1.0_1.8.11.json
@@ -0,0 +1,85 @@
+{
+    "smartlife.iot.common.emeter": {
+        "get_realtime": {
+            "err_code": 0,
+            "power_mw": 7800
+        }
+    },
+    "smartlife.iot.smartbulb.lightingservice": {
+        "get_light_state": {
+            "brightness": 70,
+            "color_temp": 3001,
+            "err_code": 0,
+            "hue": 0,
+            "mode": "normal",
+            "on_off": 1,
+            "saturation": 0
+        }
+    },
+    "system": {
+        "get_sysinfo": {
+            "active_mode": "none",
+            "alias": "Home Family Room Table",
+            "ctrl_protocols": {
+                "name": "Linkie",
+                "version": "1.0"
+            },
+            "description": "Smart Wi-Fi LED Bulb with Tunable White Light",
+            "dev_state": "normal",
+            "deviceId": "0000000000000000000000000000000000000000",
+            "disco_ver": "1.0",
+            "err_code": 0,
+            "heapsize": 292140,
+            "hwId": "00000000000000000000000000000000",
+            "hw_ver": "1.0",
+            "is_color": 0,
+            "is_dimmable": 1,
+            "is_factory": false,
+            "is_variable_color_temp": 1,
+            "light_state": {
+                "brightness": 70,
+                "color_temp": 3001,
+                "hue": 0,
+                "mode": "normal",
+                "on_off": 1,
+                "saturation": 0
+            },
+            "mic_mac": "000000000000",
+            "mic_type": "IOT.SMARTBULB",
+            "model": "KL120(US)",
+            "oemId": "00000000000000000000000000000000",
+            "preferred_state": [
+                {
+                    "brightness": 100,
+                    "color_temp": 3500,
+                    "hue": 0,
+                    "index": 0,
+                    "saturation": 0
+                },
+                {
+                    "brightness": 50,
+                    "color_temp": 5000,
+                    "hue": 0,
+                    "index": 1,
+                    "saturation": 0
+                },
+                {
+                    "brightness": 50,
+                    "color_temp": 2700,
+                    "hue": 0,
+                    "index": 2,
+                    "saturation": 0
+                },
+                {
+                    "brightness": 1,
+                    "color_temp": 2700,
+                    "hue": 0,
+                    "index": 3,
+                    "saturation": 0
+                }
+            ],
+            "rssi": -45,
+            "sw_ver": "1.8.11 Build 191113 Rel.105336"
+        }
+    }
+}
diff --git a/kasa/tests/fixtures/KL430(US)_1.0_1.0.10.json b/kasa/tests/fixtures/KL430(US)_1.0_1.0.10.json
new file mode 100644
index 000000000..6a89cbb3d
--- /dev/null
+++ b/kasa/tests/fixtures/KL430(US)_1.0_1.0.10.json
@@ -0,0 +1,97 @@
+{
+    "smartlife.iot.common.emeter": {
+        "get_realtime": {
+            "current_ma": 0,
+            "err_code": 0,
+            "power_mw": 2725,
+            "total_wh": 1193,
+            "voltage_mv": 0
+        }
+    },
+    "system": {
+        "get_sysinfo": {
+            "active_mode": "schedule",
+            "alias": "Home Master Bed Strip",
+            "ctrl_protocols": {
+                "name": "Linkie",
+                "version": "1.0"
+            },
+            "description": "Kasa Smart Light Strip, Multicolor",
+            "dev_state": "normal",
+            "deviceId": "0000000000000000000000000000000000000000",
+            "disco_ver": "1.0",
+            "err_code": 0,
+            "hwId": "00000000000000000000000000000000",
+            "hw_ver": "1.0",
+            "is_color": 1,
+            "is_dimmable": 1,
+            "is_factory": false,
+            "is_variable_color_temp": 1,
+            "latitude_i": 0,
+            "length": 14,
+            "light_state": {
+                "brightness": 15,
+                "color_temp": 2500,
+                "hue": 0,
+                "mode": "normal",
+                "on_off": 1,
+                "saturation": 0
+            },
+            "lighting_effect_state": {
+                "brightness": 100,
+                "custom": 0,
+                "enable": 0,
+                "id": "bCTItKETDFfrKANolgldxfgOakaarARs",
+                "name": "Flicker"
+            },
+            "longitude_i": 0,
+            "mic_mac": "000000000000",
+            "mic_type": "IOT.SMARTBULB",
+            "model": "KL430(US)",
+            "oemId": "00000000000000000000000000000000",
+            "preferred_state": [
+                {
+                    "brightness": 100,
+                    "custom": 0,
+                    "id": "QglBhMShPHUAuxLqzNEefFrGiJwahOmz",
+                    "index": 0,
+                    "mode": 2
+                },
+                {
+                    "brightness": 100,
+                    "custom": 0,
+                    "id": "bCTItKETDFfrKANolgldxfgOakaarARs",
+                    "index": 1,
+                    "mode": 2
+                },
+                {
+                    "brightness": 34,
+                    "color_temp": 0,
+                    "hue": 7,
+                    "index": 2,
+                    "mode": 1,
+                    "saturation": 49
+                },
+                {
+                    "brightness": 25,
+                    "color_temp": 0,
+                    "hue": 4,
+                    "index": 3,
+                    "mode": 1,
+                    "saturation": 100
+                },
+                {
+                    "brightness": 15,
+                    "color_temp": 2500,
+                    "hue": 0,
+                    "index": 4,
+                    "mode": 1,
+                    "saturation": 0
+                }
+            ],
+            "rssi": -44,
+            "status": "new",
+            "sw_ver": "1.0.10 Build 200522 Rel.104340"
+        }
+    }
+}