SadoTech Wireless Doorbells for Home, Apartments, Businesses, Classrooms, etc

SadoTech Wireless Doorbells for Home, Apartments, Businesses, Classrooms, etc. - 2 Door Bell Ringer & 1 Plug-In Chime Receiver, Battery Operated, Easy-to-Use, Wireless Doorbell w/LED Flash, Gray. With our wireless doorbell kit, easily add loud (or silent) alerts anywhere in seconds. Each door bell kit receiver covers 600 ft (183 m) with durable construction and the ability to add more door bell push buttons and receivers to expand your system. Have multiple entry points? Each doorbell kit receiver can play its own tone to indicate which door has a visitor.Add a series of fun sounds with the ultimate student attention-getters. These doorbells help teachers command the noisiest of classes. Capture and keep kids’ attention for clean up, quiet time, line up, and lunch breaks.Multiple tones, 4 volume levels, and a silent option that’s perfect for nurseries and other quiet areas make our wireless door push buttons the smart solution.Use multiple wireless door bell receivers with unique tones to indicate which door bell push button has been pushed. Need more coverage? Easily add more receivers and wireless doorbells to add range.