diff --git a/README.md b/README.md
index 6b1adf6..8ffdfab 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,10 @@
 # nexa
 
-A nexa library for Raspberry PI.
+A nexa library for Raspberry PI.
+
+
+The code is generic but has a requirement of wiringPi but can be replaced with any GPIO library if needed.
+
+Works for Proove and Nexa power outlets (433MHz).
+
+The transmitter used during development and in use is tx433n.
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