-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 No. ... -retardantDimension78mm*40mm*12mmUsage1,2,3,4 buttons to switch on/off the correspoding way of lights,the green button ... home,hotel,apartment and office,etc.5.control 4 ways of lights,with ON/OFF ALL function ...