A connecting module 823 is electrically coupled with the sensing unit 821 and fixed above the sensing unit 821. In this embodiment, the connecting module 823 is fixed on a top of the housing 822. The connecting module 823 allows the sensing module 82 electrically connectable with the light body 81. The connecting module 823 can be detachably fixed in the light body 81. The connecting module 823 can be screw-in base, a bi-pin base or a GU24 base.

Please refer to FIG. 12C and FIG. 15, which show a schematic detachability diagram and an exploded view of a sensing module of a sensing lamp 9 according to another embodiment of the present disclosure. FIG. 15 showing the detail implementation of FIG. 12D. The sensing lamp 9 includes a light body 91 and a sensing module 92. The sensing module 92 includes a light source 920 and a sensing unit 921. According to this diagram, the sensing module 92 can be detachably attached to the sensing lamp 9 using similar structure described in the previous embodiment of FIG. 14.