Experience seamless communication with our Wireless Intercom Doorbell, designed for ultra-long-range performance and reliable operation in various environments. Crafted from durable ABS material and powered efficiently at 0.5W, this doorbell system supports up to 16 separate channels to avoid interference, ensuring clear and uninterrupted calls. Key Features: · Ultra-Long 2000M Call Distance: Equipped with professional chips and operating at a 462MHz radio frequency, this doorbell provides a theoretical call range of up to 2000 meters in open and flat areas, allowing for wider signal coverage and easy wall penetration. · Continuous Solar Charging: The external unit features solar energy charging, enabling up to 3 to 5 uses per day on a full charge, with an impressive standby time of approximately 12 months. Both internal and external units include built-in 1800mAh rechargeable lithium batteries for extended battery life. · Anti-Interference Technology: With 16 selectable channels, this doorbell effectively minimizes wireless frequency interference, providing stable and reliable communication. · Adjustable 3-Level Volume: Featuring a maximum volume of no less than 112 decibels, the doorbell can be easily heard throughout the home, including bedrooms and kitchens. Choose from 30 built-in ringtones and multiple tunes to suit your preference. · Versatile Application: Ideal for use in homes, villas, offices, teahouses, companies, homestays, and other settings, offering flexible and convenient communication solutions. · Dustproof and Waterproof Design: Rated IP44, the external unit is protected against dust and water splashes, allowing safe outdoor installation without worry. Specifications: · Item Type: Wireless Intercom Doorbell · Material: ABS · Power: 0.5W · Channels: 1 to 16 selectable · Number of Connections: Supports up to 16 sets without serial numbers; unlimited connections under the same channel number · Battery: 2 x 1800mAh rechargeable lithium batteries (built-in) Package Includes: · 1 x Wireless Intercom Doorbell This Wireless Intercom Doorbell combines advanced technology with practical features to deliver long-range, interference-free communication and durable performance. Its solar charging capability and waterproof design make it an excellent choice for both indoor and outdoor use, ensuring you stay connected effortlessly.