The ornamental design for a walllamp with camera, as shown and described.
FIG. 1 is a perspective front View of a wall lamp with camera;
FIG. 2 is a front View thereof;
FIG. 3 is a rear View thereof;
FIG. 4 is a left side View thereof;
FIG. 5 is a right side View thereof;
FIG. 6 is a top View thereof;
FIG. 7 is a bottom View thereof; and,
FIG. 8 is a perspective top View thereof.
The dash-dot-dash broken lines immediately adjacent the shaded areas in the drawings represent the bounds of the claimed design while all other broken lines show portions of the article which form no part of the claimed design.