The audio systems are not IP44 rated for bathroom use. Although no IP rating required for Zone 3, a volume controller can be used in conjunction with system.
Yes, the touch switch lightly glows at night and uses minimal power consumption <0.02W. They do not intrude on your sleep as some neon's do, they are dim but bright enough to locate at night.
All electrical wiring must be done by qualified electrician or similarly qualified person. Instructions enclosed within the box to fit the switch, Always employ a qualified person to avoid damage to the product and for your safety.
Please send the switch back to us and we shall test the product, and repair if faulty, if un-repairable a replacement shall be sent within 7 working days.