diff --git a/Sonoff-RF.md b/Sonoff-RF.md
index a0ec884b..2cf07ac0 100644
--- a/Sonoff-RF.md
+++ b/Sonoff-RF.md
@@ -6,3 +6,9 @@ To pair a RF remote control with the Sonoff RF it is important that there is NO
 User [gadjet](https://github.com/gadjet) installed a jumper in place of R21 allowing easy programming (jumper in), pairing (jumper out) and normal use (jumper out).
 
 <img alt="RF jumper" src="https://github.com/arendst/arendst.github.io/blob/master/media/sonoffrfjmpr.jpg" align="left" /> 
+
+Pairing a RF remote is the same as with iTead software:
+- two short button presses will blink a red led shortly and start RF signal recognition. Three longer blinks signal RF reception.
+- three short button presses will keep the red led on for some seconds and erase the known RF code. 
+
+I was unable to pair the Sonoff RF 434MHz receiver with any of my KaKu switches so to me the RF functionality is a bit disappointing.