Ring No Drill mounting

Hi all Just bought my 2nd Gen unit and don’t want to drill into my front wall. I have purchased also the Ring No Drill mounting plate. I am looking to fix it the the front wall which is standard red brickwork. Am I correct in assuming that I just make sure the brickwork is free of cobwebs etc and just peel off the long strips on the back of the plate and hold it firmly against the wall for 5-10 mins and it will stick firmly and not move? Sorry for what might be obvious questions, but never stuck anything to brickwork before and a little hesitant to stick an expensive item to bricks! Hope someone can reassure me of their experiences? Thanks David