Infrared Human Body Sensor Switch (PIR ceiling occupancy motion sensor) Ceiling mounted motion sensing that works in both daylight and nightlight conditions. Detects with a 120degree coverage angle and a 46 m sensing distance, delivering reliable performance in hallways, bathrooms, and other indoor spaces. Threespeed adjustable sensor: sensing distance, delay, and sensitivity. Quickinstall design enables fast setup and immediate use in residential or commercial environments, including during routine upgrades or relocations. Energy saving operation: lights activate on motion and automatically turn off after a period of inactivity, helping reduce power consumption. Supports up to a 500 W load and a rated voltage of 86220 V, compatible with general electrical systems in the UK and related regions. Long lasting performance: constructed from PC material for durability and stable operation at 50/60 Hz. Induction head size is 24 x 20 x 20 mm and main body size is 56 x 35 x 20 mm, providing consistent detection with minimal maintenance or replacement. Use scenarios Hallways and corridors in homes or offices: automatic lighting for safe passage and energy efficiency. Bathrooms and restrooms: occupancybased lighting to improve convenience and reduce glare or wasted light. Entryways, stairwells, and utility rooms: responsive lighting for safety and efficiency in transitional or service areas. This product maintains a professional, clear, and trustworthy tone while delivering the key function, compatibility, size, material, and performance details in a concise, customerfriendly format.