Versatile compatibility: Designed for E27 screwin light bulbs, this sensor socket converts a standard bulb into a motionsensing light, ideal for spaces where automatic lighting improves convenience and safety. Complete installation: Each package includes 1 induction lamp holder, providing everything needed for a straightforward setup around your home or office. Advanced sensing technology: Features a 120degree sensing angle and a 35 meter range, ensuring the light stays on as long as there is movement within the vicinity. Energy efficient: Suitable for basements, storage rooms, closets, and corridors, this sensor light socket automatically turns off when no motion is detected to reduce electricity usage. Practical use scenarios: Hallways and corridors for hands, automatic path lighting Closets, storage rooms, and basements for improved visibility and safer navigation Entryways and stairwells for added safety during nighttime use