Feature: 1. INTELLIGENT AND LASTING: Mobile intercom, internal machine has constant power, outside machine has long working time, intelligent pairing combination2. ADJUSTABLE VOLUME: 15 chords , three levels of volume adjustment, the internal machine can be connected to each other, very safe 3. TRANSMISSION DISTANCE: 200Meter long distance effective transmission, easily through four walls, the receiver with flashing light reminder function 4. EFFECTIVE WATERPROOF: The waterproof design of the launcher complies with IP44 waterproof standard and effectively prevents the intrusion of rainwater 5. APPLICATION SCENARIO: Wireless voice intercom doorbell is widely used in home, office, laboratory environment, treatment, etc. Specification: Item Type: Wireless Voice Intercom Doorbell Package List: 1 x Internal Machine 1 x External Machine 1 x USB Cable 1 x Screwdriver 1 x User Manual |