MTC Rapier 2 LR1000 BT Range Finder

it is , rangefinder itself reliable and interacts with the app very well. The "on" button is very responsive, that was a problem with my previous model. Now I am trying to make a cradle to mount this monocular to a scope. 

Actually the app is free to test before you buy a rangefinder, just download it from App Store and - you can do all presets as well as check ballistics by entering distance and angle manually.