Ltpgta lightwaverf inline relay or dimmer in combination with a wirefree switch can be especially useful in a bathroom where it is not permitted to install a regular dimmer team up a jsjslw831 inline dimmer with a jsjslw201 wire free switch in the bathroom or sauna and you can safely dim the lights even in a damp environmentltpgtr ltpgtpair up a jsjslw826 onoff switch with a jsjslw821 inline relay and you can open the garage door and turn on the house lights when you arrive home