Sonoff RF Bridge R2 433
Features:
Convert 433MHz RF remote to APP via WiFi
Support to add max. four 433MHz RF remote / curtain switch / alarm
Support to control up to sixteen 433MHz RF devices
Control 433MHz RF devices over WiFi or mobile network
Free iOS and Android mobile APP �eWeLink�, you can download from Apple Store or Google Play
Works perfectly with Amazon Alexa, Google Nest, Google Home
**Requires Micro-USB power pack 5V 1A not included.
**Best used with Micro-USB cable Not Included and LDNIO 4.4Amp USB Charger
Icasa approved.