[2.4GHZ Wi-Fi Connection Not 5GHZ] - Smart doorbell, just download the APP:Aiwit and connect to the phone with 2.4GHz Wifi,and our device can be connected Wifi even out of door or through few walls with reliable connection transmission and strong signal. It’s compatible with iOS and Android.
[Simple installation method]-The smart doorbell supports two fixing methods: the first method is to use the matching double-sided tape to directly paste it on the wall. the second method is to use the matching screws to punch holes install