A dimly lit exterior door and window on a house at night, with a security grille over the door, illuminated by a single overhead light, casting shadows on the siding.
A wall-mounted setup featuring two black electronic control boxes labeled 'Advanced Access Control' by ZKTeco. Each box has indicator lights for power, run, and communication. The boxes are mounted on a wooden panel, surrounded by a variety of cables including yellow and white ones. The smaller box is mounted below the larger one and both have key locks.