The HME Products tree mount trail camera holder easily screws into most trees. Once installed...simply screw the trail camera onto the threaded stud on top of the camera mount and rotate into the desired position. Then screw the camera locking knob up and against the bottom of the camera to hold that position. Camera head rotates a full 360 degrees and tilts up and down 120 degrees for perfect camera placement. This simple, compact and sturdy design provides a dependable means for supporting all trail cameras with the 1/4" x 20 threaded insert on the bottom.