Full Duplex Wireless Intercom Doorbell Kit with 3 Receivers 100m Long Range Loud 2 Way Voice Interco

Feature: 1. Long Standby Time: 2 way intercom doorbell kit has a out unit with a standby time of up to six months, ensuring low power consumption and safe usage. 2. Long Working Distance: The wireless doorbell has long distance transmission and high strength signal and sensitivity, and the maximum transmission distance can reach 100 meters, ensuring that you can always promptly hear and answer the doorbell. 3. Easy Installation and Connection: Simply stick the wireless doorbell directly on the wall. By learning, one outdoor doorbell can be connected to multiple indoor units without interfering with other devices in your home or nearby. 4. Easy Expansion: Fix the outdoor doorbell securely to a door or wall. The wireless intercom doorbell is expandable, allowing you to integrate it into nearly any indoor or outdoor system. 5. Wide Applications and Adjustable: The wireless doorbell kit is suitable for homes, apartments, schools, villas, offices, warehouses, hotels, factories, hospitals, etc. The adjustable speaker provides clear and loud sound, serving as a mobile intercom. Specification: Item Type: Wireless Intercom Doorbell Material: ABS Usage: Intercom doorbell Outer Machine Battery: Li ion battery, 1200mAh (shipped with built in battery) Weight: Approx. 399.00g / 14.07oz Package List: 4 x Doorbell 1 x USB Cable 4 x Double Sided Tape 1 x Screwdriver 1 x User Manual