LDM150R Refrigerant Monitor, Includes remote sensor, 3 alarm levels, 3 relay outputs, built-in audio alarm with LED flasher (excludes R290 version), and 12 - 24 V (ac/dc) power input. For use with NH3 (ammonia)

Warning: This product may expose you to chemicals including lead which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov