-remote control switch -light switch,switch ON/OFF lights -remote switch -wirelss switch -wireless switch,smart switch SpecificationsNamerf radio frequency 4 way remote control switchModel ... materialABS flame-retardantDimension78mm*40mm*12mmUsage1,2,3,4 buttons to switch on/off the correspoding way of lights ... 5.control 4 ways of lights,with ON/OFF ALL function.6.With use of receiver module,saving ...