Safeguard Supply Doorbell Extender, Plug In Doorbell Wireless Kit, 3/4 Mile Range 433MHz, Convert Your Existing Hard Wired Doorbell Into A Wireless Door Bell with Plug In Chimes, 95 Db
Wire transmitter wires into your existing hardwired doorbell into A wireless doorbell and chime
4000' range from the doorbell ringer to the receiver
Ability to add an unlimited number of doorbell chime plug in receivers to help with coverage
USA Engineered ERA-Extend-A-Chime comes at a premium price because it has unique & useful features that differentiates itself from other wireless door chime extenders.