Features: Experience with the Human Presences Sensors, designs to detect both motions and movements, making it addition for advanced Intelligent home systems. This art Sensors features a large detection, multiple level intelligent parameters adjustment, and supports plugs and play installation for integration into various environment. For developers, Intelligent home enthusiasts, and security systems manufacturers seek adaptable human Presences detection solution. For applications such as Intelligent lighting controled, intelligent security systems, energy efficient appliance management, and automation office building operations. With its environmental adaptability and ability to penetrate enclosures without surfaces modifications, this human sensors ensures aesthetic integrity while delivering high performances in diverses setting. Specifications: Component: ABS Type: As Picture Show, Two Type to Choose Size: 2.8x1.1x0.2cm/1.1x0.43x0.08inch Package Includes: 1pc Human Presences Sensors note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.