diff --git a/MBot.cabal b/MBot.cabal
--- a/MBot.cabal
+++ b/MBot.cabal
@@ -10,7 +10,7 @@
 -- PVP summary:      +-+------- breaking API changes
 --                   | | +----- non-breaking API additions
 --                   | | | +--- code changes with no API change
-version:             0.2.2.0
+version:             0.2.3.0
 
 -- A short (one-line) description of the package.
 synopsis:            Haskell interface for controlling the mBot educational robot
diff --git a/src/MBot.hs b/src/MBot.hs
--- a/src/MBot.hs
+++ b/src/MBot.hs
@@ -63,6 +63,7 @@
              setMotor,
              setRGB,
              playTone,
+             Device,
              Line(LEFTB, RIGHTB, BOTHB, BOTHW),
              Command() ) where