diff --git a/README.md b/README.md
index a594604..8e1dabc 100644
--- a/README.md
+++ b/README.md
@@ -25,7 +25,7 @@
 - attempt communication
 
 ## Present Hardware
-- Siedle HTA 811-0
+- BTS 850-02 WH/W (looks like Siedle HTA 811-0)
 
 ![image](./images/1024-1365.jpg)