diff --git a/homeassistant/components/drop_connect/switch.py b/homeassistant/components/drop_connect/switch.py
index 1cd7fbf39f4..b0ebe4b5a85 100644
--- a/homeassistant/components/drop_connect/switch.py
+++ b/homeassistant/components/drop_connect/switch.py
@@ -2,7 +2,7 @@
 
 from __future__ import annotations
 
-from collections.abc import Callable
+from collections.abc import Awaitable, Callable
 from dataclasses import dataclass
 import logging
 from typing import Any
@@ -42,7 +42,7 @@ class DROPSwitchEntityDescription(SwitchEntityDescription):
     """Describes DROP switch entity."""
 
     value_fn: Callable[[DROPDeviceDataUpdateCoordinator], int | None]
-    set_fn: Callable
+    set_fn: Callable[[DROPDeviceDataUpdateCoordinator, int], Awaitable[Any]]
 
 
 SWITCHES: list[DROPSwitchEntityDescription] = [