Smart wireless switch 2 contacts 100-240V 10-15A Sonoff DUALR2 Sonoff Dual is a universal 2-channel, wireless WiFi smart switch for your smart home system to remotely turn on and off home appliances and electronic devices via the phone app. Technical characteristics Brand: Sonoff EAN code: 6920075700978  Model: DUALR2 Standard Wifi: 2.4GHz IEEE 108.11 b / g / n Wifi Frequency: 2.412-2.484 GHz In put: AC 100-240V 50/60 Hz Max load: 240V AC 10A / Gang 2200W  Max total load: 240V AC 15A 3500W Material : flame retardant ABS V0 Compatible with: Amazon Alexa, Google Home, Google Nest, IFTTT, Dimensions: 11l x 5.3 sx 3p cm approximately Color: white Weight: about 78 gr