diff --git a/xResistorTransferBank/README.md b/xResistorTransferBank/README.md
index fe20e2f..e26725c 100644
--- a/xResistorTransferBank/README.md
+++ b/xResistorTransferBank/README.md
@@ -1,3 +1,12 @@
 # ResistorBoxes: xRTB
 xRTB is a relay switeable resistance box platform.
+Design features:
+- Active guarding (20fA max)
+- Onboard resistor reversal switch
+- Onboard heater, keep resistors ovenized
+- Custom Configureable for desired resistors
+- Communications:
+    - GPIB
+    - Manual UI
+    - USB
 ![mainBoard](./doc-img/mainBoard.png)
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