diff --git a/README.md b/README.md
index 2917cbd..d7f9994 100644
--- a/README.md
+++ b/README.md
@@ -28,6 +28,7 @@ This plugin currently supports the following services (and characteristics):
 | [TemperatureSensor](#temperature-sensor) | Temperature sensor                                      |
 | [Thermostat](#thermostat)                | Thermostat with temperature sensor and heating state    |
 | [WindowCovering](#window-covering)       | Window covering (shutters, blinds, ...)                 |
+| [GarageDoor](#garage-door)               | Garage door opener                                      |
 
 Other accessories are being worked on and will be added as soon as ready.
 
@@ -399,6 +400,32 @@ The above optional parameters allow you to specify the neede range for your devi
 }
 ```
 
+### Garage Door
+This accessory type can be used for opening/closing garage doors or any automatic gates. 
+
+#### Characteristics in addition to [common characteristics](#common-accessories-characteristics) 
+| Parameter                  | Possible values | Mandatory | Default | Description                                                       |
+|:---------------------------|:----------------|:----------|:--------|:------------------------------------------------------------------|
+| CurrentDoorState           | \<item>         | Yes       |         | SHNG item to monitor the current door state                       |
+| TargetDoorState            | \<item>         | Yes       |         | SHNG item to monitor and set the target position                  |
+| ObstructionDetected        | \<item>         | No        |         | SHNG item to monitor if the door is blocked                       |
+
+#### Additional comments
+
+CurrentDoorState can be OPEN, CLOSED, OPENING, CLOSING and STOPPED. TargetDoorState can be OPEN or CLOSED.
+ObstructionDetected can be set to true if there is a physical problem opening/closing the door.
+
+#### Example
+```json
+{
+    "type": "GarageDoor",
+    "name": "GarageRechts",
+    "currentdoorstate": "garage.rechts.cds",
+    "targetdoorstate": "garage.rechts.tds",
+    "obstructiondetected": "garage.rechts.od"
+}
+```
+
 ### Example configuration file
 This is an example config file which just uses this plugin and some example SmartHomeNG items.