diff --git a/README.md b/README.md
index 35fb7a5..8474681 100644
--- a/README.md
+++ b/README.md
@@ -34,6 +34,8 @@ Then to use this in a card place the following in your entity card:
 | customTheme | Boolean | No | false | set to true to use a custom theme |
 | customSetpoints | Boolean | No | false | set to true to use custom speed percent setpoints |
 | reverseButtons | Boolean | No | false | set to true to reverse the button order |
+| width | String | No | 30px | A custom width for the buttons |
+| height | String | No | 30px | A custom height for the buttons |
 | isOffColor | String | No | '#f44c09' | Sets the color of the 'Off' button if fan is off |
 | isOnLowColor | String | No | '#43A047' | Sets the color of the 'Low' button if fan is on low percent speed |
 | isOnMedColor | String | No | '#43A047' | Sets the color of the 'Med' button if fan is on medium percent speed  |
@@ -93,6 +95,8 @@ If the speed percantage is changed via any other means (slider, service call, et
             customLowText: do
             customMedText: re
             customOffText: not
+            width: '15px'
+            height: '15px'
             
   ```