Long Range Wireless Doorbell 4900ft, Two Way Intercom System with 21 Chimes, 3 Volume Control,IP44 Waterproof Room to Room Intercoms for Home Office Hospital (2 Pack)
[2 Way IntercomsTwo indoor units can function as intercoms without internet. Place the Indoor Intercoms Wireless in different rooms for instant communication, and avoid shouting at a long distance. If home intercom system wireless are too close to each other, They can cause microphone feedback, please move the indoor units farther apart.
[4900ft Long Range] In open areas, the 2 Way Voice Intercom communication distance reaches up to 4,900ft/1,500m (actual range depends on current environment's obstructions); 1-16 channels switch to avoid interference in busy neighborhoods;
[Widely compatible] IP44 waterproof, 3-level volume adjustment to adapt to different scenes. The wireless doorbell intercom is suitable for home, office, factory or commercial places.
[Battery Operated Intercom] The room to room wireless intercom communication system is equipped with a charging base, Always keep the indoor units powered on. After use, please put the indoor unit back on the charging base to keep charging and avoid automatic shutdown due to low battery.
[Doorbell Functionality]If paired with a compatible outdoor unit (sold separately), the indoor unit can act as a doorbell intercom. Note: the indoor unit cannot actively call the outdoor unit. The outdoor unit must call the indoor unit first before initiating a call.
