SANZUCO Wireless Intercom System 1 Mile Range 10 Channel 3 Private Code Room To Room Group Team Communication Home Office School Business House (4 Pack) Review

【Function and Multiple Channels】10 channel with 3 secret code, have an enhanced signal Core Features include Monitor, Talk, Group, and Calling function.Meet One-to-One and broadcasting from one to many communiction need .Voice activated room monitor; attention-getting ringing alarm for sending out alerts before talking ;A easy and user-friendly way for your life .Better used at house, gargage ,office ,shop etc. 【 Long Range Intercom Wireless】Room to Room communication, 1 mile long range for helps ensure crisp sound quality. Add anti-interference function .Can work with other intercoms with the same digital channel code. 【No Need Battery】This wireless intercoms is powered by a long USB cable plugs, which is easy for connected by Power bank. No need battery charging or phone wire on the wall. Suitable for both indoor and outdoor usage. This device is easy to set and install .AC adaptor with extra USB cable directly into the power supply ,compatible with Power Bank (5V 1A) making, and you can take it to any place you want . 【 What You Will Get】Wireless intercom system x 4, USB cables x 4, USB wall chargers x 4, 300% satisfied service. Please contact us if you have any question in usage or need any help, We are very willing to solve all the problem for you. 【 Lifetime Usage】Our product Intercom Wireless System passed FCC certified. In order to show our confidence of our products, We provide a lifetime to let you no need to worry about any quality problem.