diff --git a/package.json b/package.json
index d1d5f89..8a71455 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "coolmaster-client",
-  "version": "0.0.1-alpha.2",
+  "version": "0.0.1-alpha.3",
   "description": "CoolMasterNet API Client for TypeScript",
   "main": "dist/index.js",
   "types": "dist/index.d.ts",
diff --git a/src/CoolMasterNetClient.ts b/src/CoolMasterNetClient.ts
index fbddd9d..8a02746 100644
--- a/src/CoolMasterNetClient.ts
+++ b/src/CoolMasterNetClient.ts
@@ -13,11 +13,11 @@ export class CoolMasterNetClient extends Commands.BaseCommand {
         return new Commands.Settings(this.client)
     }
 
-    public ls(uid?: string): Promise<Types.LSResponse> {
+    public ls(uid?: string): Promise<Types.LSResponse[]> {
         return this.call('ls', Parsers.LSParser, [uid])
     }
 
-    public ls2(uid?: string): Promise<Types.LSResponse> {
+    public ls2(uid?: string): Promise<Types.LSResponse[]> {
         return this.call('ls2', Parsers.LSParser, [uid])
     }
 
diff --git a/src/commands/Properties.ts b/src/commands/Properties.ts
index 51f7e32..2cfc931 100644
--- a/src/commands/Properties.ts
+++ b/src/commands/Properties.ts
@@ -1,6 +1,6 @@
-import { BaseCommand }      from './BaseCommand'
-import { Mode, Speed }      from '../types'
-import { PropertiesParser } from '../parsers'
+import { BaseCommand }                     from './BaseCommand'
+import { PropertiesParser }                from '../parsers'
+import { Mode, Speed, PropertiesResponse } from '../types'
 
 
 export type Operation = '-' | '+'
@@ -12,7 +12,7 @@ export class Properties extends BaseCommand {
             .join('')
     }
 
-    public all(): Promise<Properties> {
+    public all(): Promise<PropertiesResponse[]> {
         return this.call('props', PropertiesParser)
     }
 
@@ -24,14 +24,14 @@ export class Properties extends BaseCommand {
         return this.callGeneric('props', [uid, 'visible', this.boolToInt(visible)])
     }
 
-    public speed(uid: string, speeds: Array<Speed>, operation: Operation) {
+    public speed(uid: string, speeds: Speed[], operation: Operation) {
         return this.callGeneric(
             'props',
             [uid, 'fspeed', this.joinOperations(speeds as string[], operation)]
         )
     }
 
-    public mode(uid: string, modes: Array<Mode>, operation: Operation) {
+    public mode(uid: string, modes: Mode[], operation: Operation) {
         return this.callGeneric(
             'props',
             [uid, 'mode', this.joinOperations(modes as string[], operation)]