3pcs 3 Way Touch Sensor Switch On/off Dimmer Switch for Desk Lamp

The yellow wire must be connected to a conductor such as metal, not plastic or woodWhen a touch device is installed, dimming or turning on the bulb is not allowed on the power cordAccessories: suitable for ordinary bulbs, not for LED bulbs or energy-saving lampswiring:Red wire - power inputBlack wire - common neutral (input/output)White wire - lamp outputYellow wire - ground wireColour:As shownMaterial:ABSPackage Contents:3 * touch switchOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.