The Viking E-32 Stainless-Steel Handsfree Speaker Phone is designed for reliable communication in noisy environments, featuring Automatic Noise Canceling for clear audio. Powered directly by the telephone line, it operates without batteries thanks to its non-volatile memory. The device includes a blue off-hook LED indicator and can dial up to five emergency numbers, cycling through alternatives if a line is busy or unanswered. It automatically hangs up in various situations and offers a selectable auto-answer option for monitoring. Built to endure temperatures from -15°F to 130°F, it flush mounts in a standard double gang box (not included). Enhance your communication setup with this durable and efficient speaker phone, order yours today!