This WIFI Wall Smart knob Dimmer is designed to replace the traditional knob dimmer switch. It keeps the function of physical knob dimmers, and allows the devices connected to it to be controlled via a smart phone APP.
| Protocol | WIFI |
| Dimming type | Trailing Edge |
| Operation frequency | 2.4 GHz - 2.4835 GHz WIFI |
| Operation temp : Ta | -10ºC - +40ºC |
| Case temp (Max) | Tc: +80ºC (Max.) |
| Operation range | ≤200m |
| IP rating | IP20 |
| Warranty | 3 years |
Manual of WIFI Knob Dimmer QS-WIFI-D03-TRIAC A5 
