A window cleaning robot could be a good idea - providing you have the right kind of windows. Available on UK AMAZON - http://amzn.to/2iDr99d US AMAZON (not discounted) - http://amzn.to/2jsVJH5 FPCs (frequently posted comments) 1)The Z mode may work better A) It doesn't...you can see it failing in the Z mode at 07:04 2) Perhaps the internal battery is to keep it running if the power fails A It doesn't...the red light flashes and it beeps...but no suction, no movement. Please don't concern yourself too much with my specific situation - consider this a demonstration of a device highlighting some of the issues any potential customer might experience. ------------SUPPORT-------------- This channel can be supported through Patreon https://www.patreon.com/techmoan Patrons usually have early access to videos --------------SUBSCRIBE----------------- null Links are affiliated. Product was purchased from Amazon UK. It was not a loaner, not a review copy and I've had no contact with the manufacturers or any other company. (This paragraph has been written because people do ask, despite the origin of products being explained within the video). -----AFFLIATED LINKS/ADVERTISING NOTICE------ All links are Affiliated where possible. When you click on links to various merchants posted here and make a purchase, this can result in me earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network & Amazon. I am a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to AMAZON Sites (including, but not limited to Amazon US/UK/DE/ES/FR/NL/IT/CAN)