Wireless Intercom System For Home House Business. Features: Simple to Set Up and Easy to Use. Good Sound, Voice Clear and Volume is Loud to Get Your Attention. You Can Call in Groups or Talk Privately with Other Devices. You Can Take It Anywhere Since This Intercom Can Be Used with Power Bank. It's Suitable for Outdoor Activities. The Intercoms Can Be Placed Anywhere in Your House, Such As Kitchen, Bedroom, Living Room, Elder Room, Garage Etc. You Can Easy Know What's Going on with Your Family Member in the Other Room or House. This Wireless Intercom is Convenient for Office Which You Can Communicate with Various Departments on Different Floors. It's Great As Housewarming Gift for Your Friends or Families Who Move to a New Home. Specifications: Size:6.5 X 4.3 X 1.5inch Waterproof:No Installation:Desktop Item Type:Intercom System Material:PC Smart Home Platform:Other Smart Home Interface:No Frequency:462-467.7 MHz Voltage:Both 110V and 220V Product Size:6.5 X 4.3 X 1.5inch Signal Range:1 Mile (5820 FT) Channel Quantity:0-9 Channel Power Port:5V 1A (Adapter Include) Package Includes: 2* USB Cable 1* User Manual 2* Wireless Intercom System . Your order will be shipped from abroad so please allow the necessary time of at least 14 work days for delivery due to ongoing delays in postal deliveries globally.