I have the alarm set at 3.5 that gives me about two mind to get down until I hit 3.3.. depending on load but you need to set it for your own copter... BUT for the money they cant be beat
I have the alarm set at 3.5 that gives me about two mind to get down until I hit 3.3.. depending on load but you need to set it for your own copter... BUT for the money they cant be beat