Intelligent Wi-Fi switch The Sonoff brand smart switch also has a power measurement function. The module controls lighting, appliances and motorized objects. The product is TUV certified and has a high level of reliability and quality. Functions With the Dual R3 you can remotely close, for example, external blinds, curtains, open windows, close the garage door, turn off the grill, etc. The smart switch from Sonoff also has a schedule function, with which you can set the time for opening and closing the curtains or roller blinds. Remote control The Dual R3 is compatible with the free eWeLink app, allowing you to see the status of connected devices and control the relay from anywhere. In addition, the app works with Android and iOS devices such as a tablet or phone. Dual R3 also works with voice control using Siri. Savings The power metering feature will help you save on your electricity bill. Just use the schedule option to adjust the settings to your needs. You can also check the historical power consumption data using the app. Safety The Dual R3 has been tested, making it safe to use. The product provides protection against electric shock, overcharging and is resistant to mechanical damage. The shell is made of insulating material, it is resistant to high temperatures and moisture. Compatibility Sonoff Dual R3 works with switches for lighting, for example, monostable momentary, staircase or bistable and switches for roller shutters, for example, monostable momentary, double momentary or 3 position stable. The type of switch used must be configured in the eWeLink application. In the box Sonoff Dual R3 Mounting adapter Specification Brand Sonoff Name Dual R3 Supply voltage 100-240V AC Resistive load 3300W/15A (total), 2200W/10A (gang) Motor load 10-240W/1A Dimensions 54 x 49 X 24mm Wi-Fi 2.4GHz 802.11 b/g/n WPA-PSK/WPA2-PSK Mini contoller used ESP32 Working temperature -10°C ~ 40°C Working humidity 5%-95% RH, without condensation Number of channels 2 Certyfication TUV App eWeLink Compatibility Tablet or smartphone with Android or IOS Material PC V0 .table-wrapper{width:100%;overflow-x:auto}.table-wrapper>table{border-spacing:0}.table-wrapper>table>tbody>tr>td,.table-wrapper>table>tbody>tr>th{padding:10px 35px;text-align:left}.table-wrapper>table>tbody>tr>th{vertical-align:top}.table-wrapper>table>tbody>tr:nth-child(even){background-color:#f7f7f7}