diff --git a/lib/devices/air-purifier-3.js b/lib/devices/air-purifier-3.js
index 4f66e95..db3df10 100644
--- a/lib/devices/air-purifier-3.js
+++ b/lib/devices/air-purifier-3.js
@@ -183,6 +183,36 @@ module.exports = class extends AirPurifier.with(
 				}
 			}
 		);
+		
+		// Favorite Fan Level
+		this.defineProperty(
+			{ did: `${id}`, siid: 10, piid: 10 },
+			{
+				name: 'favorite_level',
+				mapper: v => {
+					const { siid, piid } = v;
+
+					if (siid === 10 && piid === 10) {
+						return v.value;
+					}
+				}
+			}
+		);
+		
+		// Motor Speed
+		this.defineProperty(
+			{ did: `${id}`, siid: 10, piid: 8 },
+			{
+				name: 'motor_speed',
+				mapper: v => {
+					const { siid, piid } = v;
+
+					if (siid === 10 && piid === 8) {
+						return v.value;
+					}
+				}
+			}
+		);
 	}
 
 	changePower(value) {
@@ -241,22 +271,20 @@ module.exports = class extends AirPurifier.with(
 		]);
 	}
 
-	changeFavorite(speed) {
+	changeFavoriteSpeed(speed) {
 		const { id } = this.handle.api;
 		let value = parseInt(speed);
 
-		if (value < 390) {
-			value = 390;
+		if (value < 300) {
+			value = 300;
 		}
 
-		if (value > 2150) {
-			value = 2150;
+		if (value > 2300) {
+			value = 2300
 		}
 
 		return this.call('set_properties', [
-			{ did: `${id}`, siid: 10, piid: 7, value },
-			{ did: `${id}`, siid: 10, piid: 8, value },
-			{ did: `${id}`, siid: 10, piid: 9, value }
+			{ did: `${id}`, siid: 10, piid: 7, value }
 		]);
 	}
 
@@ -301,4 +329,21 @@ module.exports = class extends AirPurifier.with(
 			{ did: `${id}`, siid: 5, piid: 1, value: !!value }
 		]).then(() => null);
 	}
+	
+	changeFavoriteLevel(level) {
+		const { id } = this.handle.api;
+		let value = parseInt(level);
+
+		if (value < 0) {
+			value = 0;
+		}
+
+		if (value > 14) {
+			value = 14;
+		}
+
+		return this.call('set_properties', [
+			{ did: `${id}`, siid: 10, piid: 10, value }
+		]);
+	}
 };