SONOFF RFR3 Specification:

Max Current: 10A;
Max Power: 2200W;
Power Supply: AC 100-240V;
Gang: 1;
Wireless Standard: IEEE 802.11 b/g/n 2.4GHz, 433.92MHZ;
Enclosure Material: PC V0;
Product Dimensions: 91*43*25(mm);

 

Certification:

CE  FCC