The Archer Range Rangefinder is a very simple to use and accurate rangefinder specifically designed for bowhunters hunting from treestands.
The principle is simple! If you know how high you are and the angle down to the target, you can know the distance!
Using the Archer Range Rangefinder is very similar to using a laser rangefinder; aim, press a button and read the distance. The ArcherRange Rangefinder does all of the calculations. SIMPLE!!
It also gives the Horizontal distance to the target instead of the Actual distance, just like the latest and most expensive lasers!