Wall-mounted monitoring guard instrument

The utility model discloses a wall-mounted monitoring guarding instrument, and belongs to the technical field of monitoring guarding instruments. The guard device comprises a guard device body, a bottom plate is arranged on the side edge of the guard device body, an installation plate is fixedly installed on the bottom plate, an insertion opening is formed in the installation plate, a connecting plate is arranged on the side edge of the guard device body, and the connecting plate is arranged in the insertion opening. The mounting plate and the connecting plate are provided with a fixing mechanism for fixing the connecting plate, the connecting plate is fixedly provided with a vertical rod, the end part of the vertical rod is connected with the bottom of the guarding instrument body through a universal joint, and the bottom plate is provided with a sticking piece for sticking the bottom plate. Angle adjustment of the guarding instrument body is facilitated, the problem of inaccurate detection range caused by i