S9001 Fresnel Lens is widely used in human motion switch, intrusion alarm system, infrared thermal sensor. There are different angles, detect distance, size for you choose. S9001 is the most popular item in the market. The Fresnel lens is an optical element, one side is smooth, another side is by a ring a part of concentric garden composition.
Fresnel lens arrays designed for Passive Infrared Sensor. The optical surface increases lens sensitivity for the PIR sensor application. All the PIR sensor must work with the Fresnel Lens. Fresnel lens is more competitive than the traditional optical lens.
- Easy to install
- High quality
- Factory price
- Detectable distance: 5m
- Viewing angle: 120°
5 x S9001 Plastic Fresnel Lens for Smart Home System