Surface-mounted light and/or camera, connecting pin and surface-mounted light fastening system

At least one of a surface-mounted light and a camera (1) for arrangement on a wall (5), comprising:

• a housing (10) with a front side area (12), a rear side area (14) and side walls (13);
• and
• at least one of at least one illuminant (50) and at least one of the camera (60),
• wherein at least one recess (20) is provided in the rear side area (14), in which at least one fastening means (30) is arranged,
• wherein the at least one fastening means (30) forms a trap in the recess (20) which is beveled towards the rear side area (14),
• wherein the at least one fastening means (30) is a U-shaped unitary body with two legs (41, 43), wherein an intermediate section (42) connects the two legs (41, 43), and wherein the two legs (41, 43) form the trap, the trap being beveled towards the rear side area (14),
• wherein the at least one fastening means (30) is freely movable in the recess (20), and
• wherein the recess (20) has an undercut (25), and wherein the at least one fastening means (30) is enclosed in the recess (20) in a form-fitting manner by means of the undercut (25).