Bulb holder CCTV camera combines everyday lighting with security monitoring in one practical device. Designed to fit a compatible bulb socket, it can provide video surveillance without requiring a separate camera mount. Depending on the model, features may include HD video, wide-angle viewing, night vision, motion detection, two-way audio, mobile app access, and local storage support. It can be useful for monitoring living rooms, entrances, shops, offices, corridors, and other areas where convenient surveillance is required.