Easy access to 3 modes of device operation
Unlike the previous version of the Sonoff 4CHR2 switch, we have access to Self-locking (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 device that was previously turned on is automatically turned off) and inching (when you turn on a device, it is turned off after a predetermined time) modes directly through the app on your phone.
Separate operation of 4 devices
Self-locking mode allows 4 connected light carriers to be turned on/off instantly.
Reliable assistant
Users can remotely operate connected devices via the free eWeLink app available on iOS and Android platforms. Voice control and collaboration with smart assistants is also possible, thanks to compatibility with Amazon Alexa, Amazon Echo, Echo Dot, Amazon Tap, Google Assistant, Google Home, Google Nest, IFTTT.
Protection above all
The rugged case is made of high-quality fire-resistant PC material, which provides excellent protection when using 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.
| Manufacturer | Sonoff |
|---|---|
| Model | 4CHR3 |
| Voltage range | 100-240V AC50/60Hz |
| Maximum load | 10A/2200W/wire 16A/3500W |
| WiFi connection | 2.4 GHz, 802.11 b/g/n |
| Security | WPA/WPA2 |
| Material | PC V0 |
| Dimensions | 145 x 90 x 34 mm |
| Working temperature | -10ºC ~ 40ºC |
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