diff --git a/Sonoff-RF.md b/Sonoff-RF.md
index 824e459e..bb93a4e0 100644
--- a/Sonoff-RF.md
+++ b/Sonoff-RF.md
@@ -6,6 +6,10 @@ The Sonoff RF needs some tweaking as the connection needed during programming be
 
 <img alt="S20 Smart Socket" src="https://github.com/arendst/arendst.github.io/blob/master/media/sonoffrffix.jpg" width="230" align="right" />
 
+The R2 V1.0 version of the Sonoff RF uses an ESP8285 which is covered by a horizontally orientated RF expansion board. Entering flash ready mode can be achieved by grounding K_P (which is connected to GPIO0) to the neighbouring GND pin on the RF board during power on.
+
+<img alt="Sonoff RF R2 GPIO0 Contact" src="https://imgur.com/a/rJ3zGQQ" width="230" align="left" />
+
 Pairing the iTead RF remote controller is the same as with the original 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. 
@@ -30,4 +34,4 @@ Pairing the iTead RF remote controller is the same as with the original iTead so
 I was unable to pair the Sonoff RF 434MHz receiver with my KaKu switches but the iTead provided remote control works just fine.
 
 Guide with pictures for the Slampher v2.0 wich looks like mine:
-https://hobbytronics.pk/tasmota-sonoff-slampher-local-control/
+https://hobbytronics.pk/tasmota-sonoff-slampher-local-control/
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