Description
Easy access to 3 operating modes of the device.
Unlike the previous version of the Sonoff 4CHR2 switch, the smartphone app allows you to access Auto-Locking modes (which allows you to turn on devices that will remain on until you manually turn them off), Interlock (when you turn on a second device, another previously turned on device will automatically turn off), and Gradual Off (when you turn on a device, it will turn off after a predetermined time).

Separate operation of 4 devices
Auto-lock mode allows up to 4 connected lamp holders to be instantly turned on and off.

Reliable assistant
Users can remotely control connected devices via the free eWeLink app, available for iOS and Android platforms. Voice control and collaboration with virtual assistants are also possible thanks to compatibility with Amazon Alexa, Amazon Echo, Echo Dot, Amazon Tap, Google Assistant, Google Home, Google Nest, and IFTTT.

Protection first
The rugged case is made of high-quality flame-retardant PC material, providing excellent protection while using your connected devices.

Universal compatibility
The relay is compatible with many devices available on the market. Among others, it can be used with lighting, consumer electronics and household appliances, fans, motors, and many others.

| Producer | Sonoff |
|---|---|
| Model | 4CHR3 |
| Voltage range | 100-240V AC 50/60Hz |
| Maximum load | 10A/2200W/cable 16A/3500W |
| Wi-Fi connection | 2.4 GHz, 802.11 b/g/n |
| Safety | WPA/WPA2 |
| Material | PC V0 |
| Dimensions | 145 x 90 x 34 mm |
| Working temperature | -10ºC ~ 40ºC |





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