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YW21 PIR Infrared Motion Sensor – Wall Mount 160° Motion Detector
The YW21 is a compact wall-mounted PIR infrared motion sensor designed for indoor lighting automation.
It offers stable motion detection with a wide 160° coverage angle and adjustable sensitivity.
Ideal for residential and commercial applications where energy-saving and automatic lighting control are required.
Description
Characteristics
Description
Product Overview
The YW21 PIR Infrared Motion Sensor is a wall-mounted motion detection switch developed for reliable indoor lighting control.
Using passive infrared technology, it accurately detects human movement and automatically switches connected lighting loads ON or OFF.
With a 160° detection angle and up to 9 meters sensing distance, YW21 provides consistent performance in corridors, rooms, and functional indoor areas.
The adjustable time delay and ambient light sensitivity allow installers to fine-tune operation based on real usage conditions.
Its compact wall-plate design makes it suitable for standard electrical installations in residential and light commercial environments.
OEM & ODM customization is available, including branding, packaging, and parameter adjustment.
Technology Specification
PIR Infrared Motion Sensor
Model: YW21
Power Source: 220–240V AC, 50/60Hz
Rated Load:
Max. 1200W (Incandescent)
300W (Energy-saving / LED)
Detection Angle: 160°
Detection Distance: Max. 9 m (at < 24°C)
Time Delay: 10 sec ±3 sec to 7 min ±2 min (adjustable)
Ambient Light Sensitivity: <3–2000 LUX (adjustable)
Installation: Wall mount
Application Environment: Indoor use
Application
Indoor corridor and hallway lighting
Residential rooms and apartments
Office and commercial indoor spaces
Automatic lighting control systems
Energy-saving indoor lighting projects
Characteristics
• High sensitivity PIR infrared detection
• 360° wide detection coverage
• Adjustable time delay and ambient light control
• Stable and reliable performance
• Suitable for indoor lighting automation
• Energy-saving and automatic switching
• Easy ceiling installation
• Long service life
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