Set campanello, campanello senza fili impermeabile, 1 trasmettitore e 2 ricevitori, 52 suonerie, 4 livelli di volume, campanello senza fili.

150-meter wireless range: The doorbell set includes two doorbell receivers with plug-in devices, providing a range of 250-300 meters in interference-free environments, and 5-80 meters through security doors and walls (depending on conditions). Dustproof, waterproof, and moisture-proof: The wireless doorbell transmitter has an IP44 waterproof rating, allowing outdoor use in rain, snow, and ambient temperatures ranging from -20°C to 60°C. 52 ringtones, 4 volume levels: This wireless doorbell offers 45 ringtones to choose from to meet your personalized needs. The doorbell receiver delivers a full and clear sound. The wireless doorbell features 4 adjustable volume levels (including mute), ranging from 0 dB to 110 dB. Blue LED flashing signal: In addition to the ringtone, there is a visual signal. When the doorbell is pressed, a blue LED circle flashes, clearly visible in the dark. Easy installation: No wiring is required; simply mount the doorbell button on the wall for easy installation.