Features: Experience metal detection with the M12Proximity Sensors, designs for high sensitivity and high performances in industrial automation systems. Featuring plastic materials, this Sensors is builts to withstands environment with IP67 protective rating and operates efficiently within wide voltages Ranges of 6V 36V. For factory engineers, automation equipment maintenance personnel, and industrial electrical technicians seek dependable sensors solution. Perfectly suited for use in production line monitoring, machinery position detection, and automation controllers systems, ensuring easy operations and enhances productivity. With its unshielded design and NPN configuration, this proximity Sensors offer detection Ranges, making it addition for efficient industrial applications. Specifications: Component: Plastic Type: As Picture Show, Four Type to Choose Size: 10.1x10.1x5.0cm/3.98x3.98x1.97inch, 8.05x8.05x4cm/3.17x3.17x1.57inch, 21x21x6cm/8.27x8.27x2.36inch, 14x14x5.50cm/5.51x5.51x2.17inch Package Includes: 1pc Proximity Sensors Switches 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.