The JH1B-W-AC120V-Q is a temperature control and humidity control device by Panasonic. It is designed to maintain temperature and humidity levels in a variety of environments, including food service, electronics, warehouses, and manufacturing. The device features a controller with six temperature/humidity setting, automatic/manual/alarm operation, output/compensator connections, and an LED display. It also features a 0-120V AC power source, programmable timer, 1A output current capacity, and full enclosure protection to ensure safety and efficient operation.