The IME18-12NPSZC0S part is an electronic sensor made by Sick, a German-based company that specializes in automation technology. This particular sensor is a 2D photoelectric, multi-beams detector with integrated amplifiers. It is designed to detect moving objects, and is typically used in factories and warehouses for obstacle avoidance, or in robots for navigation. This sensor features 18 mm HD optics, 12 beams spread over 200°, and an adjustable range up to 8 m. It offers either NC (normally closed) or NO (normally open) outputs, and is IP67 protected for harsh applications.