Check the listing for details. Silent Call Medallion Series Phone / Videophone Transmitter. Condition: New. Listed at 91.19 USD. Don't miss another important call! Whenever you receive a landline or videophone call this transmitter sends a signal to any Medallion Series receiver, which will alert you with flashing lights or vibration. With the Medallion Series you get million-code technology, which means your system will never get a false alert from a neighboring radio frequency signaling system. It's ideal for apartments, dorms, condos and hotels, as well as single-family homes. Features:Alerts to landline, videophone, VCO or TTY callsConnects to phone jack of any standard analog phoneUp to 500ft rangeUses 2 AA batteries (included)Low battery indicator light Silent Call Promise: 5 Year Warranty, Superior Customer Support and Next Business Day ReturnsSilent Call products are manufactured in the US, where they test and inspect every product to ensure the highest level of quality. Silent Call backs their products with this promise: Direct manufacturer 5 year warranty service and warranties serviced directly through Silent Call can expect next business day returns.