SINGCALL Wireless Doorbell Extender Convert Wired to Wireless for Existing Wired Doorbell Portable LED Receiver 32 Chimes & 0-100dB Volume Easy Install for Home/Garage/Apartment 1 Receiver 2 Extenders

Convert Wired to Wireless Doorbell: Upgrade your original wired doorbell without rewiring;Our doorbell extender kit instantly converts traditional chimes to a wireless doorbell system, keeps existing doorbell and enjoys modern convenience
Multi-Ringtones & Adjustable Volume: Portable receiver with 32 ringtones and adjustable volume from 0-100dB;Set different ringtones per transmitter;Mute mode helps avoid disturbed sleep;LED flashing with ringtones(hearing-impaired friendly)
Long Signal Range: Delivers stable signal transmission up to 100m/328ft in open areas;Portable receiver packed with detachable back panels, screws & adhesive tape for wall-mounting or portable use;Carry the portable receiver to catch every visit
Easy to Install & Widely Compatible: The doorbell extender is easy to install;Power cables can be connected either way;Operating voltage is 3-24V;Use a transformer if voltage exceeds 24V;Compatible with mechanical doorbells, wired doorbells
Wireless Expandable System: Supports simultaneous multi-transmitter operation (front/rear door), expandable up to 20 units; Receiver can be configured according to the size of the usage range and is suitable for homes/apartments/gardens/estates