Please remember, we can only write home about what WE experience. In our experience, the unit did not work, this could have been because the unit was faulty, dodgy house wiring/no earth, or, simply wired in wrong (after following the instructions)... All the links you need will be below! Subscribe! http://j.mp/TechChannelSub Smart switch: https://amzn.to/2T1Z5U4 Twitter: https://twitter.com/techflowtweets/ Instagram: https://instagram.com/techflowpics/ The Gear We Use: http://marzbar.co.uk/ Check out Alex's other YouTube channels! MarzBar: https://goo.gl/0QJ4uW Daily Vlogs: https://goo.gl/x64oXe Instagram: @AlexFroMarz Check out Editor/Filmer Jed! Main Channel: http://bit.ly/jedlilley Black Poncho: https://www.blackponcho.co.uk/ Instagram: @JedLilley Subscribe to TechFlow for weekly tech videos hosted by Alex Brooks / MarzBar! We give HONEST reviews on tech from all around the world to help you make the best buying decisions.