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Product: MoKo Wireless Doorbell, 5-Level Adjustable Volume with 36 Chimes, 1 Push Button and 2 Plug-in Receiver, Battery-operated Transmitter (No Battery Required for Receiver), Work Over 490-feet (150m) Range 12V 23A ALK battery for the push button remote is INCLUDED.
36 different ring tones. Operating range of over 490 feet (150m) in open area. 5 levels of adjustable volume from 25db to 85db. IP44 weatherproof (Remote transmitter button, acceptable for outdoor use).
Easily plug (US Standard) receiver into an electrical outlet (no batteries required for main receiver). CE, FCC, RoHS certified.
Screws and double-sided adhesive tapes included for easy installation of the transmitter.
12-Months Warranty. This Wireless Doorbell comes with 12 months of worry-free warranty and 24/7 customer support. Just send us an email and we will make things right for you. MoKo White