diff --git a/README.md b/README.md
index 9b5291f..167a3fe 100644
--- a/README.md
+++ b/README.md
@@ -93,7 +93,7 @@ Optional:
 OLED display,  096 inch, I2C [Link](https://www.makershop.de/en/display/oled/096-oled-display-blau/)
 
 For programming:
-433MHz transmitter [Link](https://www.makershop.de/en/module/funk/superheterodyne-433-mhz-sender/)
+433MHz transmitter [Link](https://www.makershop.de/en/module/funk/superheterodyne-433-mhz-sender/) or [Link2](https://www.makershop.de/en/module/funk/433-sender-empfaenger/)
 
 KeyFob  [Link](https://www.amazon.de/XCSOURCE-Elektrische-Universal-Garagentor-Fernbedienung-Ersatz-Schl%C3%BCsselanh%C3%A4nger-HS641/dp/B01KJRGMHI/ref=sr_1_9?__mk_de_DE=%C3%85M%C3%85%C5%BD%C3%95%C3%91&dchild=1&keywords=433+mhz+fernbedienung&qid=1601302510&sr=8-9)