Sonoff RF Bridge R2 433:

• With the integration of RF, the Sonoff RF Bridge R2 433 elevates your smart home to a new level.
• You may easily adapt a great deal of RF remotes to control a bunch of things in your life by adding the Sonoff RF Bridge 433.
• The majority of 433.92MHz RF remotes can be converted to Wi-Fi wireless by using the RF Bridge 433.
• Wi-Fi plug points, curtains, lighting, and many other Wi-Fi accessories may all be controlled with the RF bridge's programmable remotes through the eWelink APP.
• Eight schedules, countdown timers, and loop timers can be used to switch on and off RF-controlled items.
• What's even more fascinating is that you can DIY your smart sceneries because it works with additional 433.92MHz sensors such as the human body infrared sensor and the door magnetic sensor.
• Needs and Type B mobile phone chargers from earlier versions will function with this Micro-USB power pack (5V/1A).

Features:

• Using Wi-Fi, convert a 433MHz RF remote to an app
• Up to four more 433MHz RF remotes, curtain switches, or alarms can be added. 
• Up to sixteen 433MHz RF devices can be controlled.
• Utilize a mobile network or WiFi to control 433MHz RF devices.
• You can download the free "eWeLink" mobile app for iOS and Android from Google Play or the Apple Store.
• Functions flawlessly with Google Nest, Google Home, and Amazon Alexa

Specification:

• Power supply: USB 5V
• Operating voltage: 3 – 3.6V
• Operating current: 30 – 200mA
• Interface type: mini USB
• Requires and Micro-USB power pack 5V 1A not included.
• Best used with Micro-USB cable with LDNIO 4.4Amp USB Charger