PURPOSE: A sensor lamp is provided to prevent malfunction by limiting sensing in a direction except an entrance through a sensing unit in the bottom of the entrance. CONSTITUTION: A sensing unit(310) is located in the opposite side to a front door(330). The sensing unit is mounted on a protrusion(340) with a step of a preset height. The sensing unit and a lighting module(320) are connected by wired or wireless. The lighting module turns on a lighting unit.
