Smart touch light switch, single-gang. The device is intended for indoor use only. Installation must be carried out by a qualified electrician. It is recommended to install a capacitor to ensure stable operation of the LightSwitch (1-gang) [120] Jeweller and the lighting device. The LightSwitch (1-gang) [120] Jeweller requires only a live (line) wire to operate. The touchless proximity panel of the LightSwitch (1-gang) [120] Jeweller is activated when a hand is within 15 mm of the panel.