The Banner S18SP6DQ is an ultrasonic sensor designed for long range and object detection. It is a 2-wire, 10-30VDC supply, short-circuit protected, and PNP output device that offers detection range of up to 600 m with a discrete 4-20 mA and pulse-width modulation (PWM) output. This device is ideal for use in outdoor industrial environments and offers features such as lightning protection and EMI compatibility. Its rugged construction ensures reliable operation and long-term accuracy in harsh conditions.