Wireless Intercom Doorbell System Full Duplex Communication 500m/1640ft Long Distance Rechargeable Home Security Doorbell System Home Office Smart Intercom Doorphone (Black)

Specification: Battery Capacity: 1000mAh Battery x 2 (Built-in) Working Temperature: -20°C to 55°C Wireless Distance: Without any obstacles 500 m/1640 ft, with obstacles 20-50 m/66-164 ft Wireless Frequency: 430MHz-490MHz Working Time: Approx. 30 days Ringtone: 3 tunes Size: Approx. 12 * 6 * 2 / 4.7 * 2.4 * 0.8 inch How to Use: 1. Before use, please make sure the channel is matched to Zone B. All products should be matched in the same Zone B channel in order to communicate with each other. 2. When testing the products, keep a distance between two products to avoid interference. PackageList: 1 x Charging Dock 1 x Screwdrivers 1 x Instruction Manual 1 x Call Unit 1 x Call Unit with Doorbell Cover 1 x Data Cable 1 x Double-sided Adhesive Tape

• Long Range Communication: The Wireless Intercom Doorbell Set allows for a transmission distance of up to 500 m/1640 ft in open areas and 20-50 m/66-164 ft through walls, providing strong practicality for your home communication needs.
• Two Way Talk Functionality: With the Two Way Talk Doorbell Kit, you can enjoy seamless conversations without needing to press any buttons; simply answer to start chatting freely.
• Extended Battery Life: This Intercom Doorbell for Home features a built-in 1000mAh rechargeable battery, ensuring long-lasting usage without the hassle of frequent recharging.
• Easy Installation: The Doorbell Kit is designed for easy setup, allowing you to effortlessly install it at your preferred location without any complicated wiring.
• Versatile Use: For various settings, the Wireless Intercom Doorbell enhances your home security and convenience, making it an essential addition to any household.