expiredCambond’s wireless doorbell kit has 2 receivers & 500-ft. range: $15 Prime shipped
Patrick Campanale - May. 16th 2018 1:18 pm ET
Cambond (99% positive feedback lifetime) via Amazon offers its Wireless Waterproof Battery-operating Doorbell Kit with 2 Receivers for $14.99 Prime shipped when you use code 6JKZH7U7 at checkout. Normally $23, this is a match for its all-time low and the best available. Perfect if you have two ends of the house you want to be able to hear the doorbell in. Rated 4.5/5 stars.