Overload protection for safe and stable operation. precision sensors accurately recognize human activity and provide automatic light on/off control. When movement is detected, the light turns on automatically; if the moving object leaves the sensing range for 30 seconds, the light turns off automatically. E27 screw base design fits most lamp holders and allows quick installation without additional wiring. Benefits at a glance Improves safety in dark or transitional spaces by providing light only when needed. Saves energy with automatic on/off based on movement. Easy retrofit solution with universal E27 compatibility and no wiring required. 23 practical use scenarios Hallways and staircases: automatic lighting as you approach, lights up when you move and turns off after a short delay. Closets or wardrobes: illuminate when you reach in, then switch off automatically to conserve energy. Entryways or workshops: convenient lighting that activates with movement for quick access without searching for a switch. Key attributes Function: automatic on/off lighting with overload protection Compatibility: E27 screw base designed for most lamp holders Installation: quick, tool, no extra wiring required Performance: responsive motion sensing with a 30second offdelay Material: compatible with standard lamp configurations (basefocused specification provided) Note: This description preserves the original product's base (E27), automatic on/off behavior, 30second offdelay, overload protection, and wiring installation while presenting the information in concise, customerfriendly language suitable for quick reading.