Feature: 1. [Wireless Intercom System] Conveniently communicate with others in your business or office without the need for cumbersome wiring installations. 2. [1000m Range Intercom] Enjoy long distance communication up to 1000m (without any obstacles), allowing you to stay connected throughout your large work space. 3. [Stable Transmission] Operating at a frequency of 433MHz, this intercom telephone ensures stable signal transmission and delivers clear sound quality for effective communication. 4. [Digital Display] Equipped with a digital display, this wireless intercom phone can show your own number and caller ID, adding convenience. 5. [Wide Range of Uses] Suitable for various environments such as companies, factories, hotels, offices, teahouses, KTVs, hospitals, and entertainment venues. Specification: Item Type: Wireless Intercom Phone Material: ABS Operating Frequency: 433MHz Operating Distance: Approx. 1000m/3280.8ft (without any obstacles) Power: 2W Voltage: 5V 2A Networking Group: Up to 999 Installation Method: Free installation on the desktop. Package List: 1 x Host1 x Instruction Manual1 x Data Cable