Sonoff - RF BridgeR2 433 Smart Hub RF Smart Bridge

Change the control way from 433MHz RF to the eWeLink with Wi-Fi. It can work with PIR2 PIR sensor and DW1 door/window alarm sensor to serve home security (PIR2 and DW1 are not included.) Compatible with the 433MHz remote controller for easier control. Plus, pair it with eWeLink app and you will add four 1-4 buttons of the 433MHz remote controller, which means 16RF devices can be added,like curtain switch. By working with the PIR2 PIR sensor to detect any movement, perfect for keeping an eye on your home when you're away. Matched with DWI door/window sensor, which they will notify you when a door or window opens after pairing with eWeLink. The way you will always know who is intruding into your home. Can add alarms to trigger the device matched with the RF remote controller happen. For example, you can set a smart scene that your light is turned on once you receive a notification reminds you that the door is opened, which seems like you're occupied in home (Available for the Android 3.1.0 and higher).