Developer's DescriptionBy MicroShareThis is a smart home monitoring mobile phone application software;Using the P2P method to connect the battery to the doorbell, the connection is...This is a smart home monitoring mobile phone application software;Using the P2P method to connect the battery to the doorbell, the connection is convenient, quick and practical. As long as the phone is connected to the Internet, you can know whether you have friends, relatives or tourists at any time and anywhere.