diff --git a/homeassistant/components/xiaomi_miio/const.py b/homeassistant/components/xiaomi_miio/const.py
index c0711a02a36..6a3b7b6530d 100644
--- a/homeassistant/components/xiaomi_miio/const.py
+++ b/homeassistant/components/xiaomi_miio/const.py
@@ -48,6 +48,8 @@ class SetupException(Exception):
 
 # Fan Models
 MODEL_AIRPURIFIER_4 = "zhimi.airp.mb5"
+MODEL_AIRPURIFIER_4_LITE_RMA1 = "zhimi.airpurifier.rma1"
+MODEL_AIRPURIFIER_4_LITE_RMB1 = "zhimi.airp.rmb1"
 MODEL_AIRPURIFIER_4_PRO = "zhimi.airp.vb4"
 MODEL_AIRPURIFIER_2H = "zhimi.airpurifier.mc2"
 MODEL_AIRPURIFIER_2S = "zhimi.airpurifier.mc1"
@@ -117,6 +119,8 @@ MODELS_PURIFIER_MIOT = [
     MODEL_AIRPURIFIER_3C,
     MODEL_AIRPURIFIER_3H,
     MODEL_AIRPURIFIER_PROH,
+    MODEL_AIRPURIFIER_4_LITE_RMA1,
+    MODEL_AIRPURIFIER_4_LITE_RMB1,
     MODEL_AIRPURIFIER_4,
     MODEL_AIRPURIFIER_4_PRO,
 ]
@@ -342,6 +346,10 @@ FEATURE_FLAGS_AIRPURIFIER_MIOT = (
     | FEATURE_SET_LED_BRIGHTNESS
 )
 
+FEATURE_FLAGS_AIRPURIFIER_4_LITE = (
+    FEATURE_SET_BUZZER | FEATURE_SET_CHILD_LOCK | FEATURE_SET_LED_BRIGHTNESS
+)
+
 FEATURE_FLAGS_AIRPURIFIER_4 = (
     FEATURE_SET_BUZZER
     | FEATURE_SET_CHILD_LOCK
diff --git a/homeassistant/components/xiaomi_miio/fan.py b/homeassistant/components/xiaomi_miio/fan.py
index ddbd45bff08..dbc8c7a66d9 100644
--- a/homeassistant/components/xiaomi_miio/fan.py
+++ b/homeassistant/components/xiaomi_miio/fan.py
@@ -49,6 +49,7 @@ from .const import (
     FEATURE_FLAGS_AIRPURIFIER_2S,
     FEATURE_FLAGS_AIRPURIFIER_3C,
     FEATURE_FLAGS_AIRPURIFIER_4,
+    FEATURE_FLAGS_AIRPURIFIER_4_LITE,
     FEATURE_FLAGS_AIRPURIFIER_MIIO,
     FEATURE_FLAGS_AIRPURIFIER_MIOT,
     FEATURE_FLAGS_AIRPURIFIER_PRO,
@@ -70,6 +71,8 @@ from .const import (
     MODEL_AIRPURIFIER_2S,
     MODEL_AIRPURIFIER_3C,
     MODEL_AIRPURIFIER_4,
+    MODEL_AIRPURIFIER_4_LITE_RMA1,
+    MODEL_AIRPURIFIER_4_LITE_RMB1,
     MODEL_AIRPURIFIER_4_PRO,
     MODEL_AIRPURIFIER_PRO,
     MODEL_AIRPURIFIER_PRO_V7,
@@ -151,6 +154,7 @@ AVAILABLE_ATTRIBUTES_AIRFRESH = {
 }
 
 PRESET_MODES_AIRPURIFIER = ["Auto", "Silent", "Favorite", "Idle"]
+PRESET_MODES_AIRPURIFIER_4_LITE = ["Auto", "Silent", "Favorite"]
 PRESET_MODES_AIRPURIFIER_MIOT = ["Auto", "Silent", "Favorite", "Fan"]
 PRESET_MODES_AIRPURIFIER_PRO = ["Auto", "Silent", "Favorite"]
 PRESET_MODES_AIRPURIFIER_PRO_V7 = PRESET_MODES_AIRPURIFIER_PRO
@@ -424,6 +428,15 @@ class XiaomiAirPurifier(XiaomiGenericAirPurifier):
                 FanEntityFeature.SET_SPEED | FanEntityFeature.PRESET_MODE
             )
             self._speed_count = 3
+        elif self._model in [
+            MODEL_AIRPURIFIER_4_LITE_RMA1,
+            MODEL_AIRPURIFIER_4_LITE_RMB1,
+        ]:
+            self._device_features = FEATURE_FLAGS_AIRPURIFIER_4_LITE
+            self._available_attributes = AVAILABLE_ATTRIBUTES_AIRPURIFIER_MIOT
+            self._preset_modes = PRESET_MODES_AIRPURIFIER_4_LITE
+            self._attr_supported_features = FanEntityFeature.PRESET_MODE
+            self._speed_count = 1
         elif self._model == MODEL_AIRPURIFIER_PRO_V7:
             self._device_features = FEATURE_FLAGS_AIRPURIFIER_PRO_V7
             self._available_attributes = AVAILABLE_ATTRIBUTES_AIRPURIFIER_PRO_V7
diff --git a/homeassistant/components/xiaomi_miio/number.py b/homeassistant/components/xiaomi_miio/number.py
index 15cb7175d91..7c5439d8d35 100644
--- a/homeassistant/components/xiaomi_miio/number.py
+++ b/homeassistant/components/xiaomi_miio/number.py
@@ -32,6 +32,7 @@ from .const import (
     FEATURE_FLAGS_AIRPURIFIER_2S,
     FEATURE_FLAGS_AIRPURIFIER_3C,
     FEATURE_FLAGS_AIRPURIFIER_4,
+    FEATURE_FLAGS_AIRPURIFIER_4_LITE,
     FEATURE_FLAGS_AIRPURIFIER_MIIO,
     FEATURE_FLAGS_AIRPURIFIER_MIOT,
     FEATURE_FLAGS_AIRPURIFIER_PRO,
@@ -65,6 +66,8 @@ from .const import (
     MODEL_AIRPURIFIER_2S,
     MODEL_AIRPURIFIER_3C,
     MODEL_AIRPURIFIER_4,
+    MODEL_AIRPURIFIER_4_LITE_RMA1,
+    MODEL_AIRPURIFIER_4_LITE_RMB1,
     MODEL_AIRPURIFIER_4_PRO,
     MODEL_AIRPURIFIER_PRO,
     MODEL_AIRPURIFIER_PRO_V7,
@@ -242,6 +245,8 @@ MODEL_TO_FEATURES_MAP = {
     MODEL_AIRPURIFIER_PRO_V7: FEATURE_FLAGS_AIRPURIFIER_PRO_V7,
     MODEL_AIRPURIFIER_V1: FEATURE_FLAGS_AIRPURIFIER_V1,
     MODEL_AIRPURIFIER_V3: FEATURE_FLAGS_AIRPURIFIER_V3,
+    MODEL_AIRPURIFIER_4_LITE_RMA1: FEATURE_FLAGS_AIRPURIFIER_4_LITE,
+    MODEL_AIRPURIFIER_4_LITE_RMB1: FEATURE_FLAGS_AIRPURIFIER_4_LITE,
     MODEL_AIRPURIFIER_4: FEATURE_FLAGS_AIRPURIFIER_4,
     MODEL_AIRPURIFIER_4_PRO: FEATURE_FLAGS_AIRPURIFIER_4,
     MODEL_FAN_1C: FEATURE_FLAGS_FAN_1C,
diff --git a/homeassistant/components/xiaomi_miio/sensor.py b/homeassistant/components/xiaomi_miio/sensor.py
index c94e0e371fb..56938a4bd34 100644
--- a/homeassistant/components/xiaomi_miio/sensor.py
+++ b/homeassistant/components/xiaomi_miio/sensor.py
@@ -63,6 +63,8 @@ from .const import (
     MODEL_AIRHUMIDIFIER_CB1,
     MODEL_AIRPURIFIER_3C,
     MODEL_AIRPURIFIER_4,
+    MODEL_AIRPURIFIER_4_LITE_RMA1,
+    MODEL_AIRPURIFIER_4_LITE_RMB1,
     MODEL_AIRPURIFIER_4_PRO,
     MODEL_AIRPURIFIER_PRO,
     MODEL_AIRPURIFIER_PRO_V7,
@@ -411,6 +413,16 @@ PURIFIER_MIOT_SENSORS = (
     ATTR_TEMPERATURE,
     ATTR_USE_TIME,
 )
+PURIFIER_4_LITE_SENSORS = (
+    ATTR_FILTER_LIFE_REMAINING,
+    ATTR_FILTER_LEFT_TIME,
+    ATTR_FILTER_USE,
+    ATTR_HUMIDITY,
+    ATTR_MOTOR_SPEED,
+    ATTR_PM25,
+    ATTR_TEMPERATURE,
+    ATTR_USE_TIME,
+)
 PURIFIER_4_SENSORS = (
     ATTR_FILTER_LIFE_REMAINING,
     ATTR_FILTER_LEFT_TIME,
@@ -528,6 +540,8 @@ MODEL_TO_SENSORS_MAP: dict[str, tuple[str, ...]] = {
     MODEL_AIRHUMIDIFIER_CA1: HUMIDIFIER_CA1_CB1_SENSORS,
     MODEL_AIRHUMIDIFIER_CB1: HUMIDIFIER_CA1_CB1_SENSORS,
     MODEL_AIRPURIFIER_3C: PURIFIER_3C_SENSORS,
+    MODEL_AIRPURIFIER_4_LITE_RMA1: PURIFIER_4_LITE_SENSORS,
+    MODEL_AIRPURIFIER_4_LITE_RMB1: PURIFIER_4_LITE_SENSORS,
     MODEL_AIRPURIFIER_4: PURIFIER_4_SENSORS,
     MODEL_AIRPURIFIER_4_PRO: PURIFIER_4_PRO_SENSORS,
     MODEL_AIRPURIFIER_PRO: PURIFIER_PRO_SENSORS,
diff --git a/homeassistant/components/xiaomi_miio/switch.py b/homeassistant/components/xiaomi_miio/switch.py
index dbe783c6a87..2f45ba0adca 100644
--- a/homeassistant/components/xiaomi_miio/switch.py
+++ b/homeassistant/components/xiaomi_miio/switch.py
@@ -46,6 +46,7 @@ from .const import (
     FEATURE_FLAGS_AIRPURIFIER_2S,
     FEATURE_FLAGS_AIRPURIFIER_3C,
     FEATURE_FLAGS_AIRPURIFIER_4,
+    FEATURE_FLAGS_AIRPURIFIER_4_LITE,
     FEATURE_FLAGS_AIRPURIFIER_MIIO,
     FEATURE_FLAGS_AIRPURIFIER_MIOT,
     FEATURE_FLAGS_AIRPURIFIER_PRO,
@@ -82,6 +83,8 @@ from .const import (
     MODEL_AIRPURIFIER_2S,
     MODEL_AIRPURIFIER_3C,
     MODEL_AIRPURIFIER_4,
+    MODEL_AIRPURIFIER_4_LITE_RMA1,
+    MODEL_AIRPURIFIER_4_LITE_RMB1,
     MODEL_AIRPURIFIER_4_PRO,
     MODEL_AIRPURIFIER_PRO,
     MODEL_AIRPURIFIER_PRO_V7,
@@ -197,6 +200,8 @@ MODEL_TO_FEATURES_MAP = {
     MODEL_AIRPURIFIER_PRO_V7: FEATURE_FLAGS_AIRPURIFIER_PRO_V7,
     MODEL_AIRPURIFIER_V1: FEATURE_FLAGS_AIRPURIFIER_V1,
     MODEL_AIRPURIFIER_V3: FEATURE_FLAGS_AIRPURIFIER_V3,
+    MODEL_AIRPURIFIER_4_LITE_RMA1: FEATURE_FLAGS_AIRPURIFIER_4_LITE,
+    MODEL_AIRPURIFIER_4_LITE_RMB1: FEATURE_FLAGS_AIRPURIFIER_4_LITE,
     MODEL_AIRPURIFIER_4: FEATURE_FLAGS_AIRPURIFIER_4,
     MODEL_AIRPURIFIER_4_PRO: FEATURE_FLAGS_AIRPURIFIER_4,
     MODEL_FAN_1C: FEATURE_FLAGS_FAN_1C,