When paired with a controller, the RF433 PIR sensor automatically turns on the light when a person is detected and turns it off when no presence is sensed.
Adjustable Lux, Time and Sensitivity
It features adjustable lux level, time delay, and sensitivity to adapt to various application scenarios.
It operates using RF 433 MHz wireless communication, providing stable and reliable signal transmission.

Harvesting directly its energy from your push, the Door and Window Sensor doesn’t need any battery (and any wire) to operate
Advantages of a wireless system (flexibility) without the disadvantages (no battery = no maintenance)
This Door and Window Sensor can be mounted concealed in the door frame, it also can be mounted externally on the surface of door and being fixed with screws
Mount it, and forget it
Examples Of Use Cases
H4 PIR Sensor
| Power Supply | Battery (CR2450) |
| Service Life | 2 years |
| Communication Frequency | RF433 |
| Sensitivity Range | 25% ~ 100% |
| Lux Range | 10 ~ 3500 lux |
| Time Range | 3 seconds to 10 minutes |
| Detection Angle / Distance | 120°, 8 meters |
| Distance to Controller | 100 m outdoors, 30 m indoors |
| Operating Temperature | -10°C ~ +45°C |
| Operating Humidity | 10% ~ 95% RH (non-condensing) |
| Indicator Light | Red (pairing indicator / low battery alert) |
| Product Size | 55 × 55 × 87.9 mm |
| Installation Method | Bracket installation |
| Bracket Installation Method | Screw |
| Waterproof Rating | IP65 |
| Certification Standards | CE / RoHS / WEEE |