ITEM NAME:4 Mini Round Yellow LED Rocker Indicator Switch 3 Pin On-Off 12V DC H9Q3 4 Mini Round Yellow LED Rocker Indicator Switch 3 Pin On-Off 12V DC H9Q3 Brand new and high quality Compact, convenient and practical Color: black Material: plastic shell Dimension: about 28 x 23 x 23 mm Voltage: 12V DC How to connect: the middle part connects to the switch; the two side parts connect to the 12V DC ( Gold one -- Negative Pole; Silver one -- Positive Pole ) 4 pieces per set Light color: yellow Package Contents:4 x Rocker switch 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..How to connect: the middle part connects to the switch; the two side parts connect to the 12V DC ( Gold one -- Negative Pole; Silver one -- Positive Pole ). Material: plastic shell. Light color: yellow.