Wireless Doorbell Kit， Coolqiya Door Bell Chime with 2 Waterproof Transmitters and 4 Plug-in Receive
<p><b>Color:</b> 2 Transmitters+4 Receivers (B21-White)</p><p><b>Features:</b> </p><ul><li>🔔2021 upgraded version - it's modified size, it will not occupy other plugs.500ft to 1000ft Long Range Transmission - strong working signal remote control doorbell for various material door or wall, including glass, metal, wood...</li><li>🔔Multiple Door Bells Chimes & Buttons System - Easy to expand add-on 20+ remote buttons (transmitters) or receivers.</li><li>🔔58 Ringtones and 5 levels Volume to Adjust - The doorbell ring will keep the settings when power is removed, no need to reset.</li><li>🔔Easy Installation - 1. Simply plug receiver into socket; 2. Transmitter: (battery powered), use sticky pad or anchors & screws to install, IP55 rating waterproof.</li><li>🔔Friendly customer service in 24hrs to make sure your 100% satisfaction, we offer refund or replacement for the unsatisfied products within 18 months of delivery.</li></ul><p><b>Details:</b> <b>Specifications:</b><br...