Note 1:
The receiving supports fixed code 433 frequency, like PT2260, PT2262, PT2264, EV1527, etc.
Not support to learn rolling code and dynamic code.

Note 2:
Timer is not supported in current App versions, but soon we'll support it.
iOS App doesn't support to add this product, but it will be supported in App V2.5.0.
You can't see device status changes in the App.

Product Specification:
[ Name ]: Sonoff RF Bridge 433
[ Power Supply ]: USB 5V
[ Operating Voltage ]: 3.0 ~ 3.6V
[ Operating Current ]: 30~200mA
[ Enclosure Dimensions ]: 62*62*20mm

Product Features:
Convert 433MHz RF Remote to App via WiFi
Make 433MHz RF devices App remote controllable
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 Wi-Fi or mobile network
Free iOS and Android mobile app eWeLink
Works perfectly with Amazon Alexa, Google Home
Just Add to your cart now.

Product Overview:
This RF Bridge can convert most of the 433MHz RF Remotes into WiFi wireless.

By adding the RF wireless Bridge to iOS/Android App eWeLink WiFi wirelessly,
you can add up to four 1-4 buttons 433MHz Wireless RF Remotes to the RF Bridge device.

After pairing the RF Remote buttons with RF controlled devices,
you can directly control maximum 16 RF controlled devices on the App through WiFi/2/3/4G network.

It can be used for most of the 433MHz RF Remote controlled products,
like RF controlled switch, RF controlled socket, RF controlled bulb, RF controlled door opener, etc.

Even more exciting is that it will work with door magnetic sensor, human body IR sensor and more other sensors to realize security alarm, and allowing you to DIY smart scenes.

Works With Amazon Alexa:
This product works with Amazon Alexa. You can ask Alexa to control the device with the following voice commands.
Please note that only US/UK English and German voice commands are supported now.
Try out these phrases ( {deviceName} should be the name of your device):
Alexa, turn on {deviceName}
Alexa, turn off {deviceName}
Alexa, turn {deviceName} off
Alexa, turn {deviceName} on
Alexa, schalte Gerätename ein
Alexa, schalte Gerätename aus