Very good at first glance - ATN 1,500 yard Auxiliary Ballistic Laser Rangefinder for Smart HD Scopes

Have just received mine and tested it in the range mounted on the X-Sight in day mode. The box contains everything needed to install it and the process itself is described in a short how-to video available at ATN website, no need to read the manual. It took me about half an hour to set everything up from unboxing to the first shot. I like that it has a ridge that doesn't let it slide back and forth - my biggest worry was if a scope-mounted rangefinder could be recoil resistant. And I like that the distance is on the display, the scope and the rangefinder work as one unit. Can't wait to test it in the field...