Enhance your security and communication with our Wireless Voice Intercom Doorbell, a versatile and efficient solution for both residential and commercial settings. Designed to provide clear audio and reliable connectivity, this doorbell system is perfect for modern access control needs. Discover its key features: Convenient Power Supply The outdoor bell operates with 4 alkaline batteries (not included), making it easy to replace when needed. The indoor bell is powered via a USB cable, ensuring consistent and convenient power access. Energy Efficient with Long Standby Featuring low power consumption, the outdoor bell boasts a standby time of up to 6 months. This energy-efficient design ensures hassle-free operation and reduces the need for frequent battery changes. Clear and Adjustable Audio Equipped with a big and adjustable speaker, this system delivers clear voice communication. It can also function as a mobile interphone, enhancing the flexibility and utility of the device. Extended Wireless Range Enjoy strong and stable wireless connectivity with a range of up to 200 meters (656.2 feet). This extensive range ensures reliable communication across large areas, making it ideal for various environments. Flexible Pairing and Interference-Free The outdoor bell can be paired with multiple indoor bells by learning their codes. This allows for a customized setup where one outdoor bell can connect with numerous indoor units without interference, providing seamless operation throughout your property. Versatile Applications Suitable for a wide range of environments, this intercom doorbell system is perfect for homes, factories, hotels, hospitals, supermarkets, and offices. Its versatility ensures it meets the needs of different settings effectively. Easy Communication To use, simply press the bell button on the outdoor unit, prompting the indoor bell to sound. Hold the Answer Button on the indoor bell to speak, facilitating easy and efficient communication. Upgrade your access control and communication capabilities with our Wireless Voice Intercom Doorbell. Combining ease of use, clear audio, and reliable connectivity, this system is an ideal choice for those seeking enhanced security and convenience.