Patent ID: 8399873

Claim:
A waterproof sensing device, comprising: a base; a rear cover having a set of engaging portions, at least one fixing element and at least one first assembling hole and selectively rotatably disposed on the base, wherein the rear cover has a side wall to enclose an accommodation space; a sensing module disposed in the accommodation space; a lens covering the rear cover on an edge of the side wall of the rear cover and sealing the accommodation space, wherein a waterproof treatment is provided between the lens and the edge of the side wall, and wherein the lens has at least one second assembling hole corresponding to the first assembling hole, the fixing element passes through the first assembling hole from the rear side of the side wall and then engages with the second assembling hole of the lens; and a rotatable supporter disposed between the rear cover and the base, wherein the engaging portion can be movably connected to the rotatable supporter so that the rear cover can move along a first direction; the base is engaged with the rotatable supporter, such that the rear cover and the rotatable supporter can be rotated along a second direction, wherein the first direction is not the same as the second direction.