Wireless Voice Intercom Doorbells - Seamless Communication and Smart Design Wide Application: Our wireless intercom doorbells are versatile and suitable for a wide range of environments, including homes, hotels, villas, factories, and hospitals. They provide an effective communication solution that enhances convenience and security across various settings. Impressive Wireless Range: These doorbells operate over a barrier-free distance of approximately 1,000 meters. They require no internet connection or wiring, making them incredibly easy to set up and use immediately. Simply turn them on and start enjoying seamless communication. Intelligent Design: Featuring a user-friendly design, these voice intercom doorbells come equipped with intercom and power light displays. The intuitive setup makes operation straightforward, allowing users to understand the system's status at a glance, ensuring ease of use for everyone. Long-lasting Working Time: Both the outdoor and indoor units are powered by 2000mAh batteries. The outdoor unit can function for about 8 months with daily usage of pressing the button five times and engaging in two minutes of conversation each time. The indoor units can operate for about a week on a single charge, providing reliable performance without frequent recharging. Powerful Intercom Chip: Equipped with a special intelligent intercom chip, these doorbells boast strong penetrating power, allowing them to function effectively from the 1st to the 8th floor. This ensures reliable communication across multiple levels in any building, enhancing overall functionality. Experience the convenience and reliability of the Wireless Voice Intercom Doorbells, designed for easy installation and use in any environment. With their robust features and intelligent design, they provide an excellent solution for enhancing security and communication in your home or business.