When we invented the Pull Down TV Mount we made safety our #1 priority. Our MM340, MM540, MM700 and MM750 manual pull down TV mounts are all UL Listed to assure our customers can buy this product with full confidence.MantelMount is built on three main principles:1.      Smooth, easy, consistent operation2.      Safety of the TV and electronics3.      Safety of the home and mounting environmentPlease click here to review all of the MantelMount safety features that make up these principles.