We usually set our's 3' to 3.5' to keep the hogs from rubbing on them. The key is to make sure there not pointing too high or too low. Our Moultrie's have the laser to assist with setting the height correctly. You'll get less that half of the pictures you should if it isn't correct though. Needs to be between knees and waist high for ours. We get 110 pics in about 4 days, per camera.