Set of 11 One box open This wireless slim contact from Honeywell is a must-have for home security. Designed to be compatible with Honeywell products, the 5800MINI model is easy to install and provides a reliable form of protection for your home. With a sleek design and battery magnet, this transmitter is the perfect addition to any home security system. Whether you're looking for a new addition to your existing Honeywell system or starting fresh, the 5800MINI transmitter is a great choice. Protect your home today with the Honeywell 5800MINI Wireless Slim Contact. Will ship out fast Selling as is and untested.