The CDN Audio/Visual Refrigerator Freezer Alarm Room is a reliable unit designed to monitor your refrigerator and freezer temperatures. This alarm room, model TA20, is manufactured by CDN and comes in a sleek white color. Made from durable ABS plastic. It also features a new battery for added convenience. Perfect for ensuring your food is stored at the proper temperature, this audio visual refrigerator freezer alarm is a must-have for any home kitchen. Working good. See photos for more details on condition and what is included. Thanks for looking.