Security alarm camera

The utility model discloses a security alarm camera, which comprises a fixed base, a fastening hole, a power supply hole, a rotating hole, a supporting block, a fastening screw, a signal lamp, a camera shell, a loudspeaker, a first screwing end, a second screwing end, a screwing thread and a lens. The beneficial effects of the utility model are that: the utility model discloses: the beneficial effect is: The supporting blocks are arranged on the inner side of the fixed base in a bilateral symmetry mode. The supporting block is connected and fixed through a fastening screw and is connected withthe fixed base in a sliding manner; the condition that all angles cannot be monitored is prevented; rectangular loudspeaker, the loudspeaker is arranged at the top of the camera shell in an inwards-concave mode, the steel wire protective net is welded to the loudspeaker, an alarm can be given in time, the lens is in threaded rotary connection with the screwing thread through the internal thread of the lens, the anti-expl