Door Chime with Phone App,WiFi Door Open Contact Sensor Alarm Chime with 600 FT Range,WiFi Door Ringer Alert for Business/Store/Home/Office When Enter (Three Sensor One Gateway)

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About This WiFi Door Alarms Works Function:This WiFi alarm device can be connected to cell phone with free app for remote push to take care your family anytime and anywhere. When v isitors or guests arrive to your home,the Gateway(Plug in Receiver) will sound an alarm, at the same time, the smartphone APP will receive a warning alert, no matter the phone is in another city, you can receive a instant warning alert anywhere. Keep your home/office safety:Wireless WiFi door sensor alarm offers a generous detection area of nearly 600 feet. You could hear doorbell chime from Gateway(Plug in Receiver)and warning alert from Phone app as visitors or guests arrive to your home, store,office etc. It sounds to notify you someone entry your home/office.This WIFI smart door alarms can be used as a simple indoor wireless door sensor alarms, but also as a remote alarms that can span different cities, states, and even countries. Multiple melodies, Loud chime & Provide peace of mind for the hearing impaired: The Plug in receiver Unit has 32 ringtones for your choice. 5 adjustable volume levels from 0 dB to 110 dB.With the built-in LED indicator, the wireless door alert receiver and sensor offer additional assistance when coupled with the receiver to the hearing impaired. Difficulty hearing is no problem with this wireless system. Share Function & Expandable: You can set the sharing function of the app so that when door or window opens, everyone you share it with can receive the alert message; besides this WIFI call system is expandable, you can add more Receiver, or door sensors to meet the needs of various different usage scenarios. Service guarantee:Our product user manual has detailed operation instructed to help you better use our products.If you have any questions,Please contact us through Amazon's email, and we will strive to provide you with the best services to your satisfaction. Overview Color : white Brand : YisTech Power Source : Battery Powered Compatible Devices : Smartphone Battery Description : Alkaline Show more