We're a a high-tech manufacturer, with 15 years+ R&D and production experience on smart home, intelligent community and NB-IOT, capable of providing its customers with an overall solution, from customization of cloud server and App to a wide range of smart products. Our main solutions are as follows: 1, Smart Home Automation System ( Zigbee/ Z-wave/ WiFi ). 2, TCP/IP Video Intercom System / Series. 3, Smart Parking System / Smart Access Control System. 4, NB - IOT System. Here is a video demo that shows what we think of smart home system and IOT, https://www.youtube.com/watch?v=GD0IhP6T1bM&t=23s; And two more video demos that show how our smart home system works with Amazon Alexa and our magic mirror, in order to help you better understand our products. https://www.youtube.com/watch?v=gxc_xT1p300; https://www.youtube.com/watch?v=XyZLyFtfFQ0. Any question, please feel free to contact me by email: johnny@sztijio.com; Mobile/Wechat/Whatsapp: 86 181 23630737.