While I have not personally used that sight I have had friends use similar ones and my opinion is they aren’t worth the money as they will break extremely quickly (one broke in less than 3 shots on an AR).
Take a look at the Burris Fastfire, JPoint Doctor or Vortex offerings and watch for a sale.
i have the sig sauer romeo 5 on my shotgun. i want to put one on my AR and 44 mag handgun. excellent sights. the red dot turns off after awhile if the gun isnt moving, just pick it up and the sight turns on...its motion activated, great for predator hunting, long battery life.
Thanks CMP70306 and bohunr. I too have a couple of Sig's and a Trijicon. I was looking for a less expensive one for one of my grandsons don't think as a ten year old he is ready for a high dollar scope.