This wireless doorbell is very easy to install. Connect the receiver and mount the transmitter at your door with the supplied materials: your doorbell is ready to use! Options * Transmitter with battery provides easy installation without wires * Maximum range of outdoor operation. 300 m • 80 dB doorbell, which is clearly audible throughout the House * Large selection among 36 melodies * Option to choose Sound and light or just sound or lightmu
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