Wireless Doorbells Kit Cinbos Wireless Doorbell for Home LED Light with 1 Receiver and 2 Remote Push Buttons Waterproof,1000 Feet Long Range, 52 Chimes, 4 Levels Volume (B21-2T1-B) by Cinbos at N Online Agency. MPN: FX-B21 2T1-B. Hurry! Limited time offer. Offer valid only while supplies last. Compared to the previous generation of products, we made the following improvements:1. Improved use experience. Before, when user changes ringtones, and hold Music Button over 3 seconds, it will trigger clean pairing function, so wrongly believed the product damage, but is not. We improved the manual and extended 3 seconds to 5 seconds.2. The span of 4 levels volume is more wider, no longer concentrated in short interval, so that it can be more quieter or more louder.3.Apart from ''Ding
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