LightSwitch Jeweller is a smart touch light switch. For indoor installation. LightSwitch can replace any mechanical or touch switch: the product line includes one-gang, two-gang, and two-way versions. Devices can be combined by installing several switches next to each other in one frame. LightSwitch is installed without changing the electrical wiring of the object. The device does not require a neutral wire and works only from the supply phase. The switch features a standard European form factor (55).