Set of 3 wireless intercom systems, 500m range, waterproof wireless doorbell with long range, voice intercom, wireless intercom for home and office

【Two-Way Intercom】 The two-way network responds automatically as soon as an internet connection is established. The Senza Fili wireless intercom enables voice communication from 1 to 8 meters away, with a range of up to 500 meters outdoors. 【Long Lifespan】 The Senza Fili speaker features low power consumption, allowing for long operating time of the internal unit on a single charge. It can also be placed on the charging station for smart power management. The external unit of the wired Senza wireless intercom has a lifespan of one year. 【Easy Operation】 The intercom system's design allows for easy installation. The Senza Fili intercom offers adjustable volume and sound quality. 【Excellent Performance】 The wireless speaker is made of plastic and silicone, providing a comfortable feel. The battery indicator and the intercom button show that the intercom device is in operation. 【Ampie Applicazioni】 Campanelli Citofonici Voice adjusts the effect of the intercom connection on the piano above and below the caller. The wired intercom system is ideal for use in the city, anywhere, and for emergencies.