App Support: Free eWeLink App for iOS and for Android mobile. Convert 315MHz & 433MHz RF Remote controller to App via WiFi. Make 315MHz & 433MHz RF devices App remote controllable. Supports adding up to four 315MHz/433MHz RF Remote Controller/ RF Curtain Switch / RF Alarm. Supports control up to sixteen 315/433MHz RF devices. Remote ON/OFF: Turn connected 315/433MHz RF devices on/off remotely from anywhere on the App. Timing: Supports scheduled/countdown timing tasks to turn on/off at specified time. The receiving supports fixed code 315/433 frequency, like PT2260, PT2262, PT2264, EV1527, etc. Not support to copy rolling code and dynamic code. Ony 2.4G-WiFi is supported, Not support 5G-WiFi and Mesh WiFi network. It can work with 315/433MHz RF door sensor/PIR sensor, etc. to alarm message to your smart phone anywhere and anytime . Voice Control: Compatible perfectly with for and for Google Home. Power Input: DC 5V Supported Radio: 315MHz & 433MHz RF Supports fixed code 315/433 frequency: PT2260, PT2262, PT2264, EV1527, etc. Not support to learn rolling code and dynamic code Platform: for Android, for iOS Wireless Standard: WiFi 2.4G 802.11b/g(5G-WiFi is not supported) Security Mechanism: WPA-/WPA2- Max. Distance: 200M (open area)(Between RF Bridge and RF Remote) Colour:black-grey :Plastic + Metal Different batches, products may have color difference Package Contents: 1 x 315/433 RF Bridge Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.