The Contrinex UST-M18PS-TLS-101 Ultrasonic Sensors offers 200...2000 mm operating range, 10...30 supply voltage, NO (default)/NC + NO (default)/NC output, M12 4-pin connection. Manufactured by Contrinex under the Contrinex Ultrasonic Sensor category, this model belongs to the Contrinex USR/UST Series.