diff --git a/app/solaar.py b/app/solaar.py
index 27be26ea..a9d55307 100644
--- a/app/solaar.py
+++ b/app/solaar.py
@@ -85,26 +85,7 @@ if __name__ == '__main__':
 	listener = None
 	notify_missing = True
 
-	def status_changed(receiver, device=None, ui_flags=0):
-		assert receiver is not None
-		if window:
-			GObject.idle_add(ui.main_window.update, window, receiver, device)
-		if icon:
-			GObject.idle_add(ui.status_icon.update, icon, receiver)
-		if ui_flags & STATUS.UI_POPUP:
-			GObject.idle_add(window.popup, icon)
-
-		if device is None:
-			# always notify on receiver updates
-			ui_flags |= STATUS.UI_NOTIFY
-		if ui_flags & STATUS.UI_NOTIFY and ui.notify.available:
-			GObject.idle_add(ui.notify.show, device or receiver)
-
-		global listener
-		if not listener:
-			GObject.timeout_add(5000, check_for_listener)
-			listener = None
-
+	# initializes the receiver listener
 	from receiver import ReceiverListener
 	def check_for_listener(retry=True):
 		def _check_still_scanning(listener):
@@ -134,6 +115,28 @@ if __name__ == '__main__':
 			pairing.state = pairing.State(listener)
 			listener.trigger_device_events()
 
+	# callback delivering status events from the receiver/devices to the UI
+	def status_changed(receiver, device=None, ui_flags=0):
+		assert receiver is not None
+		if window:
+			GObject.idle_add(ui.main_window.update, window, receiver, device)
+		if icon:
+			GObject.idle_add(ui.status_icon.update, icon, receiver)
+		if ui_flags & STATUS.UI_POPUP:
+			GObject.idle_add(window.popup, icon)
+
+		if device is None:
+			# always notify on receiver updates
+			ui_flags |= STATUS.UI_NOTIFY
+		if ui_flags & STATUS.UI_NOTIFY and ui.notify.available:
+			GObject.idle_add(ui.notify.show, device or receiver)
+
+		global listener
+		if not listener:
+			GObject.timeout_add(5000, check_for_listener)
+			listener = None
+
+	# clears all properties of devices that have been inactive for too long
 	_DEVICE_TIMEOUT = 3 * 60  # seconds
 	_DEVICE_STATUS_CHECK = 30  # seconds
 	from time import time as _timestamp
diff --git a/app/ui/action.py b/app/ui/action.py
index 16a2bb36..72c0b508 100644
--- a/app/ui/action.py
+++ b/app/ui/action.py
@@ -44,11 +44,12 @@ def _show_about_window(action):
 	about.set_logo_icon_name(_NAME)
 	about.set_version(_VERSION)
 	about.set_license_type(Gtk.License.GPL_2_0)
+	about.set_copyright('\xC2\xA9 2012 Daniel Pavel')
 	about.set_authors(('Daniel Pavel http://github.com/pwr',))
 	# about.add_credit_section('Testing', 'Douglas Wagner')
 	about.set_website('http://github.com/pwr/Solaar/wiki')
 	about.set_website_label('Solaar Wiki')
-	# about.set_comments('Using Python %s\n' % PYTTHON_VERSION.split(' ')[0])
+	about.set_comments('Shows status of devices connected\nto a Logitech Unifying Receiver.')
 	about.run()
 	about.destroy()
 about = _action('help-about', 'About ' + _NAME, _show_about_window)
@@ -65,7 +66,6 @@ def _pair_device(action, frame):
 	window = frame.get_toplevel()
 
 	pair_dialog = ui.pair_window.create(action, pairing.state)
-	# window.present()
 
 	pair_dialog.set_transient_for(window)
 	pair_dialog.set_modal(True)
diff --git a/lib/logitech/devices/constants.py b/lib/logitech/devices/constants.py
index 0333b735..e7725f1e 100644
--- a/lib/logitech/devices/constants.py
+++ b/lib/logitech/devices/constants.py
@@ -37,14 +37,22 @@ PROPS = type('PROPS', (),
 NAMES = {
 			'M315': ('Wireless Mouse M315', 'mouse'),
 			'M325': ('Wireless Mouse M325', 'mouse'),
+			'M505': ('Wireless Mouse M505', 'mouse'),
 			'M510': ('Wireless Mouse M510', 'mouse'),
 			'M515': ('Couch Mouse M515', 'mouse'),
 			'M525': ('Wireless Mouse M525', 'mouse'),
 			'M570': ('Wireless Trackball M570', 'trackball'),
+			'M600': ('Touch Mouse M600', 'mouse'),
+			'M705': ('Marathon Mouse M705', 'mouse'),
 			'K270': ('Wireless Keyboard K270', 'keyboard'),
 			'K350': ('Wireless Keyboard K350', 'keyboard'),
+			'K360': ('Wireless Keyboard K360', 'keyboard'),
+			'K400': ('Wireless Touch Keyboard K400', 'keyboard'),
 			'K750': ('Wireless Solar Keyboard K750', 'keyboard'),
 			'K800': ('Wireless Illuminated Keyboard K800', 'keyboard'),
+			'T400': ('Zone Touch Mouse T400', 'mouse'),
 			'T650': ('Wireless Rechargeable Touchpad T650', 'touchpad'),
+			'Cube': ('Logitech Cube', 'mouse'),
+			'Anywhere MX': ('Anywhere Mouse MX', 'mouse'),
 			'Performance MX': ('Performance Mouse MX', 'mouse'),
 		}
diff --git a/lib/logitech/devices/k750.py b/lib/logitech/devices/k750.py
index fdd3dbc4..81c139fa 100644
--- a/lib/logitech/devices/k750.py
+++ b/lib/logitech/devices/k750.py
@@ -6,8 +6,6 @@ import logging
 from struct import unpack as _unpack
 
 from .constants import (STATUS, PROPS)
-from ..unifying_receiver.constants import FEATURE
-from ..unifying_receiver import api as _api
 
 #
 #
@@ -29,6 +27,8 @@ def _charge_status(data, hasLux=False):
 
 
 def request_status(devinfo):
+	from ..unifying_receiver.constants import FEATURE
+	from ..unifying_receiver import api as _api
 	reply = _api.request(devinfo.handle, devinfo.number,
 						feature=FEATURE.SOLAR_CHARGE, function=b'\x06', params=b'\x78\x01',
 						features=devinfo.features)
diff --git a/lib/logitech/unifying_receiver/api.py b/lib/logitech/unifying_receiver/api.py
index 2366a652..95730d15 100644
--- a/lib/logitech/unifying_receiver/api.py
+++ b/lib/logitech/unifying_receiver/api.py
@@ -73,7 +73,7 @@ class ThreadedHandle(object):
 		return str(int(self))
 
 	def __repr__(self):
-		return '<LocalHandle[%s]>' % self.path
+		return '<ThreadedHandle[%s]>' % self.path
 
 	def __bool__(self):
 		return bool(self._handles)