TUV certified and overload protection. Reliable and safe. Automate your motorized appliances, like roller shutters, window shades, etc. Double two-way control of two devices independently Work with various extra switches, control devices directly via original wall switches Remotely control home appliances or motorized facilities Power metering function helps you save on electricity bills Customize smart scenes and scheduling timed event Support Siri shortcut voice control LAN control available SPECIFICATIONS: Power Supply: 100-240V AC Resistive Load: 3300W/15A/Total, 2200W/10A/Gang Motor Load: 10-240W/1A Max Power: 3300W(total) / 2200W(1 gang) Product Dimensions: 54*49*24mm Color: White Frequency: 802.11 b/g/n Security Mechanism: WPA-PSK/WPA2-PSK Humidity: 5%-95%RH, Non-condensing Enclosure Material: PC V0 Operating Temperature: -10ºC-40ºC Gang: 2 SKU: SONOFF-DUALR3