This 2 gangs smart switch module works with Wi-Fi technology. It is a wireless transmission technology. The standard is IEEE802.11 b/g/n. The frequency band is generally 2.4GHz. At present, WIFI is widly used in smart home control. Such as TVs, air conditioners, lamps, curtains, etc.
| Operation frequency | 2.4GHz - 2.4835GHz WIFI |
| WiFi | WiFi 802.11 b/g/n |
| Operation temp. | -10ºC - +40ºC |
| Case temp. Tc | +80ºC (Max.) |
| Operation range | ≤ 200 m |
| IP rating | IP20 |
| Certificates | CE ROHS |
| Warranty | 2 years |
EN 300 328 V2.1.1 (2016-11),
EN 301489-1 V2.1.1 (2017-02),
EN 301489-17 V3.1.1 (2017-02),
EN 62311: 2008,
EN 61000-6-1:2007,
EN 61000-6-3:2007+A1:2011
IEC 60669-2-1:2002 / AMD1:2008 / AMD2:2015,
IEC 60669-1:1998 / AMD1:1999 / AMD2:2006,
EN 60669-2-1: 2004+A1: 2009+ A2: 2010,
EN 60669-1:2018
2011/65/EU, (EU) 2015/863
ETSI EN 300 328 V2.1.1 (2016-11)
Manual of WIFI 2CH Switch Module QS-WIFI-S04-2C Indicator Light A5 
