The SONOFF RFR2 is a versatile 2-channel smart relay switch that combines Wi-Fi connectivity and 433MHz RF remote control in one compact device. It is designed for users who require flexible control options for smart home installations, whether through mobile app, voice commands, physical switches, or RF remotes.With dual independent output channels, the RFR2 allows separate control of two lighting circuits or electrical devices. It connects directly to a 2.4 GHz Wi-Fi network without the need for an additional hub and is managed through the eWeLink app. Users can remotely turn devices on or off, monitor status, set timers, create daily schedules, and build smart scenes for automation.In addition to Wi-Fi control, the built-in 433 MHz RF receiver allows pairing with compatible SONOFF RF remotes. This ensures device control even when Wi-Fi is unavailable, making it suitable for areas with unstable internet connections.The RFR2 supports both rocker and momentary wall switches, enabling seamless integration with traditional electrical setups while maintaining smart functionality. It also features multiple working modes, including self-locking mode for standard on/off control and inching mode for momentary activation applications.Constructed from flame-retardant PC V0 material and designed to fit inside standard wall boxes, the device ensures safe and reliable performance. Overload protection enhances operational safety, making it suitable for residential and light commercial use. Technical SpecificationsSpecificationDetailsModelSONOFF RFR2Input Voltage100–240V AC, 50/60 HzOutput Channels2 × 10A (Resistive load)Neutral Wire RequiredYesWireless ProtocolWi-Fi IEEE 802.11 b/g/n (2.4 GHz), RF 433 MHzApp SupporteWeLink (iOS / Android)Voice ControlAmazon Alexa, Google Assistant, SmartThingsSwitch Type SupportRocker / MomentaryDimensions54 × 49 × 24 mmOperating Temperature-10°C to +40°CMaterialPC V0 flame-retardantCertificationsCE / FCC / RoHS ApplicationsSmart lighting control for homes and officesIndependent control of two rooms or lighting zonesAutomation of fans, pumps, or small appliancesInstallations requiring RF remote backup controlRenovation projects integrating traditional switches with smart systemsDIY smart home upgrades without complex wiring Why Choose SONOFF RFR2?Control two devices independentlyRemote control via Wi-Fi, eWeLink, or RF 433 MHz remotesVoice control with Alexa, Google Assistant, and SmartThingsCompact in-wall installation for clean, modern smart home setupsAutomate your home with timers, schedules, and scenes eWeLink voice assistants alexa Remote Control & Scheduling wall smart control Automation Dashboard