Features: Experience high sensitivity with Infrareds Proximitys Sensors Module, utilizing advanced Infrareds Sensings technology for quick and accurate object detection, enhancing your interaction seamlessly. This Sensors features contactless that promotes energy efficiency and environmental friendliness, while its waterproof and dustproof casing ensures durability in various environment. for hotel and restaurant owners aiming to improve customer hygiene experience, as well as families seekings modern home Solution for Enhanceds convenience and comfort. for use in restrooms with hand dryers and automatic faucets, public facilities like mall and airports, or even in home kitchens and bathrooms for more hygienic daily routines. Easily installs PCB baseds Sensors module without the need for complex tool, making it addition to any space requiring automateds management and improved hygiene standards. Specifications: Materials: PCB Size:3.8x2cm/1.5x0.79inch Package Includes: 5Pcs Infrareds Proximitys Sensors note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the picture may not reflect the actual of the item. Thank you!