The classification of rocker switch

The rocker switch is widely used for home appliances, such as Water dispenser, treadmill, computer speaker, battery car, motorcycle, ion TV, coffee pot, row plug, massage machine. But the rocker switch is available in multiple size options, such as the panel mount size is 21*15mm, 15*10.5mm, 30*11mm, diameter of 23mm, 25.7*17.1mm, 40.5*24.3mm, 31*28mm, 31*25mm and so on, the rocker switch has square and round shape, rocker switch also has led illuminated and non-illuminated choices, the function has SPST and DPDT options, the rocker can be engraved with I/O or on/off text for guide.