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SONOFF Temperature And Humidity Monitoring Smart Switch TH10
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Tracking device statusRemote turn on/off connected appliancePresetting temperature and humidity to turn on/off8 enabled countdown/single/repeat  timing tasksReal-time temperature and humidity checkingSmart scene to trigger on/off other smart devices settingsWorks with Amazon Echo, Echo Dot, Amazon Tap, Google Home, Google Home Mini, Google Nest, IFTTTWorks with Si7021, AM2301, DS18B20 sensors
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SONOFF Temperature And Humidity Monitoring Smart Switch TH16
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Tracking device statusRemote turn on/off connected appliancePresetting temperature and humidity to turn on/off8 enabled countdown/single/repeat  timing tasksReal-time temperature and humidity checkingSmart scene to trigger on/off other smart devices settingsWorks with Amazon Echo, Echo Dot, Amazon Tap, Google Home, Google Home Mini, Google Nest, IFTTTWorks with Si7021, AM2301, DS18B20 sensors
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SONOFF Smart Switch 4CH PRO R2
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Turn on/off 4 home appliances remotelySupports switching among inching/interlock/self-locking modesDevice status's synchronously displayScheduled/Countdown timersShare controlSupports setting power on status433MHz RF Remote controlWorks with Amazon Echo, Echo Dot, Amazon TapWorks with Google Home, Google NestWorks with IFTTT
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SONOFF Smart Switch Socket S20
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WiFi Smart Switch Socket for Home SafetyPower Supply: 90V~250V ACMax. Current: 10AMax. Power: 2200WWireless Standard: Wi-Fi 2.4GHz b/g/nSecurity Mechanism: WEP/WPA-PSK/WPA2-PSKOperating Temp.: 0℃~40℃Operating Humidity: ≤80%Material: FR-ABSCertification: CE/RoHS/FCC
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SONOFF POW WiFi Wireless Smart Switch
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Power measuring WiFi wireless smart switchPower Supply: 90V~250V ACMax. Current: 16APower: 3500WWireless Standard: Wi-Fi 2.4GHz b/g/nSecurity Mechanism: WEP/WPA-PSK/WPA2-PSKOperating temp:  0 ºC ~ 40 ºC (32°F ~ 104°F)Operating Humidity:  5%~90%RH, Non-condensingMaterial: FR-ABSConnector: Universal
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SONOFF 4CH Rev2 Wi-Fi Wireless Switch
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Wi-Fi Wireless SwitchPower Supply: 90~250V ACRated frequency: 50HZ/60HZMax current: 10AMax Power: 2200WWireless Standard: Wi-Fi 2.4GHz b/g/nSecurity Mechanism: WEP/WPA-PSK/WPA2-PSKOperating temp: 0 ºC ~ 40 ºC (32°F ~ 104°F)Operating Humidity: 5%~90%RH, Non-condensing
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SONOFF Temperature and Humidity Sensor Si7021
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Precision Relative Humidity Sensor:  ± 3% RH (max), 0–80% RHHigh Accuracy Temperature Sensor:  ± 0.4°C (max), –10 to 85°C0 to 100% RH operating rangeUp to –40 to +85°C operating rangeWide operating voltage (2.2 to 3.6 V)Low Power ConsumptionFactory-calibratedExcellent long term stability 
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SONOFF Wi-Fi smart switch MINI
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Max current: 10AVoltage: 100~240 AC 50/60 Hz2.4Ghz, 802.11.b /g /nWorking temperature: 0°C ~ +40°CWorking humidity: 5%-90%RHAmount of channels: 1Amazon Alexa, Google Assistant, IFTTT, Google NestDimensions: 91*43*25mm (L*W*H)
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Smart 4-channel Wi-Fi switch SONOFF 4CHR3
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Voltage: 100-240V AC 50/60HzMaximum load: 10A/2200W/Channel 16A/3500W/TotalFrequency: WiFi 2.4GHz, IEEE802.11 b/g/n 2.4GHz(2400M-2483.5M)Security: WPA/WPA2Body: PC V0Channels: 4Dimensions: 145*90*34 (mm)Operating temperature (recommended): -10ºC-40ºC(14°F-104°F)
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Expansion module SONOFF SPM-4Relay
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Compatible with: Sonoff SPM-MainVoltage: 100V~240V ACFrequency: 50/60HzCurrent: max. 80A (20A per channel)Number of channels: 4Dimensions: 250 x 90 x 66.5 mmHousing material: PC V0 (flame-retardant)Mounting: on DIN railConnection: RS485Operating temperature: -10°C~+40°COperating humidity: 5%-95% (non-condensing)Weight: 584gColour: white
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Energy measuring center SONOFF SPM-Main
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Compatible with: Sonoff SPM-4RelayVoltage: 100V~240V ACFrequency: 50/60HzCurrent: max. 50mAWi-Fi frequency: 2.4 GHzWi-Fi standard: IEEE802.11b/g/nNumber of channels: 4Works with Amazon Alexa & Google AssistantDimensions: 142.5 x 90 x 66.5 mm.Body material: PC V0 (fireproof)Installation: on a DIN railConnection with modules: RS485Operating temperature: -10°C~+40°COperating humidity: 5%-95% (non-condensing)Color: white