diff --git a/roku/core.py b/roku/core.py
index 1c80d8b..0ebe217 100644
--- a/roku/core.py
+++ b/roku/core.py
@@ -238,6 +238,9 @@ def launch(self, app):
             raise RokuException('this app belongs to another Roku')
         return self._post('/launch/%s' % app.id)
 
+    def channel(self, ch=""):
+        return self._post('/launch/tvinput.dtv?ch=%s' % ch)
+
     def store(self, app):
         return self._post('/launch/11', params={'contentID': app.id})