Wireless Voice Intercom Doorbell Long Distance 3 Gear Adjustable Sound

Feature: \n 1. Long Distance Intercoming: Barrier free long distance call distance supports about 1000 meters, no network or wiring required, easy to use.\n2. Long Standby: Built in 1800 mAh battery, long battery life, press 5 times a day, call for 2 minutes, can work for about 8 months, indoor unit work for about 1 week.\n3. Humanized: Humanized design, equipped with intercom light and power lamp display, surface pattern convenient for fast communication operation.\n4. Button Design: The button adopts plastic and silicone structure, the surface adopts high gloss UV process, 18mm thickness is convenient and comfortable to hold.\n5. Convenient: When the indoor unit rings, press the TALK button to directly intercom, equipped with a charging station, and it can be fully charged in five hours. \n\nSpecification: \nItem Type: Wireless Intercom DoorbellsMaterial: ABSDoor Machine: 1800mAh 103450 lithium  battery (built in)\nIndoor Unit: 1800mAh 103450 :