Infrared induction (touchless operation): No physical contact needed to operate the switch. Safe and healthier, reduces bacterial cross contamination. Kitchen installations benefit from hands-free use when hands may be oily or dirty. Installation environments: Suitable for bathroom, doorway, and bedroom applications. In the bathroom it avoids touching unclean surfaces; in doorways it helps prevent bringing outdoors dirt inside; in the bedroom it can be operated by waving at night, enabling convenient lighting without precise touch. Neutral wire required: Designed for installations that require a neutral conductor. Compatible with both new and old buildings such as houses, hotels, factories, construction sites, and schools. 10 cm infrared sensing: Sensing distance of up to 10 cm; detects presence within 10 cm to turn lights on or off. Material and durability: Steel protective glass panel; anti-scratch and easy to scrub for long-term cleanliness. Practical use scenarios - Kitchen: operate lights without touching a greasy or wet surface. - Bedroom at night: wave to turn on lights without fumbling for switches. - Entry or hallway: reduces contact with door surfaces and keeps common areas cleaner.