HSYDIYwireless doorbell kit, plug-in receiver,waterproof button,working range 1000 feet,5 volume levels60 ringtones,CDspeaker with LED flash. 1 button, 2 receivers, suitable for home, school, office

HSYDIYwireless doorbell kit, plug-in receiver,waterproof button,working range 1000 feet,5 volume levels60 ringtones,CDspeaker with LED flash. 1 button, 2 receivers, suitable for home, school, office

Sky-Touch Wireless Doorbell, Waterproof Wireless Doorbell Kit With 36 Bells And AdjUStable Volume; With Sound And Led Home Door Bell Chime (1 Receiver And 1 Pressure Button)

ELECDON Wireless Doorbell,Waterproof Door Bell Kit, Distinguish front and rear doors, Over 1000 feet Range and 60 Chime, 5 Levels Volume and LED Flash, for Home Office Classroom