👍【Audio Sound, Stable Signal Transmission】 This wireless intercom system was inserted superior crisp chip to make sure the sound deliver smoothly and crystally, and avoid interference. We update the effective range to be 1 to 1.5 miles up to the autual circumstance, perfect for home office gate security communication | 👍【Retro Shape like a Desk Telephone】We designed this wireless intercom (half duplex) to be a telephone shape, and polished the surface to be top-end. A new fashion design in the intercom world. This intercom is simple powered by usb cable, no need battery, and it’s also can be portable with power bank | 👍【Multiple Function, Simple Operation】 This home intercom with Talk, Call, Group, Monitor, VOX Function and the volume is adjustable too. All the function is easy to use with step by step instruction | 👍【3 Privacy Code and 10 Channel】This intercoms wireless for home with 10 channels and 3 digital codes in a secure wireless intercom system, features an enhanced anti-interference and can work with other intercoms with the same digital channel and code | 👍【Get A Set to Know What’s the Best】 We had been the leader of intercom system for over 50 years, all of our intercom meets all statements and pass all the certificates. We only use best quality material and with quality testing team to make sure the buyer get the best intercom. Please feel free to contact us if you need any help, we provide a lifetime service for you