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

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. Does not work with video doorbells.