Sell New wireless doorbell switch, home remote doorbell, convenient home appliances, smart doorbell pager best price

New wireless doorbell switch, home remote doorbell, convenient home appliances, smart doorbell pager A set of doorbell transmitter + doorbell receiver No wiring required, easy installation [Simple and stylish, high-end atmosphere] [300 meters straight line open and super long-distance reception] 【Strong signal penetration】 [Four levels of volume can be adjusted] [Zero radiation, pregnant women and children can rest assured to use] 【Environmental protection and non-toxic material】 [Wireless installation, plug and play, easy to use] [Note: The receiving distance of 300 meters is the straight-line distance tested on the open ground of the manufacturer, the actual distance depends on the use environment, generally home and office are no problem]