Sonoff 4-channel 4CH Pro R3 4-channel Sonoff 4CH Pro R3 Wireless Relay
Description
Sonoff 4CH Pro R3 WiFi + RF smart relay, 4 channels, multiple modes, Alexa / Google Home compatible
Sonoff 4CH Pro R3 is a 4-channel independent wireless relay capable of remotely controlling a wide range of electrical equipment. It offers WiFi + RF 433 MHz connection, advanced automation features and full compatibility with eWeLink app as well as voice assistants.
✔️ 3 smart operating modes
Configure each channel according to the desired scenario:
-
Self-locking mode: switch each channel on/off individually
-
Interlock mode: activating one channel automatically deactivates the others - ideal for exclusive commands
-
Inching mode: channel switches off automatically after a preset time (e.g. 0.5s - 1s)
📡 Dual control: WiFi and RF 433 MHz
-
Control the device via the eWeLink app (Android/iOS)
-
RF 433 MHz remote control support - add local control without internet access
-
Extended range and fast response to commands
🗣️ Compatible with voice assistants
Full integration with:
-
Amazon Alexa (Echo, Echo Dot, Tap)
-
Google Assistant (Google Home, Nest)
-
IFTTT - for advanced automation between devices and services
🔧 Versatile use
Suitable for controlling a variety of devices:
-
Indoor and outdoor lighting
-
Fans, pumps, appliances
-
Technical systems in your home, office or workshop
🔒 Safe and durable construction
-
Flame-retardant housing made of high-temperature resistant PC V0 material
-
Stable connections and protection in long-term use
📐 Technical specifications:
| Feature | Specification |
|---|---|
| Model | Sonoff 4CH Pro R3 |
| Channels | 4 (independent) |
| Operating Modes | Auto Lock, Interlock, Inching |
| Supply voltage | 100-240V AC, 50/60Hz |
| Maximum current | 10A per channel / total 40A |
| Maximum Power | 2200W per channel / 8800W total |
| Connectivity | WiFi 2.4 GHz (IEEE 802.11 b/g/n), RF 433 MHz |
| Security | WPA / WPA2 |
| Compatibility | eWeLink, Alexa, Google Assistant, IFTTT |
| Housing material | PC V0 flame retardant |
| Dimensions | 145 × 90 × 34 mm (approx.) |
Control four electrical circuits via WiFi or RF, customise automations to your needs and enjoy voice control with Sonoff 4CH Pro R3 - the professional solution for any smart home project or technical automation!