At Door Announce, you can find a variety of doorway and driveway entry alarm products, including the door buzzer system and driveway alert system. They are a premier distributor of Rodann Electronics, offering the full line of Rodann Electronics wireless, hardwired, and self-contained door announcers. Rodann Electronics specializes in customer alert driveway and door alarms that use "Passive Infrared" motion detection technology. Door Announce stands behind the quality of their products with a one-year warranty against manufacturer defects and a limited 30-day return satisfaction guarantee. They offer personalized customer care, rigorous product quality control, free shipping, and no sales tax. Additionally, they have a wide range of door alert products, such as wireless transmitters and receivers, magnet-based systems for doors without motion detectors, hardwired chime systems, and self-contained door announcers. They also offer a driveway alert system with motion detection capabilities that can detect motion up to 50 feet away.