Rocker switches achieves circuit on/off or gear switching by tilting the button up and down. Rocker switches are commonly used as power switches for electronic devices. Their contacts are divided into several types, such as single-pole single-throw and double-pole double-throw. Some switches also come with indicator lights. Rocker switches are widely used in household appliances such as water dispensers, treadmills, computer speakers, electric bikes, motorcycles, ion televisions, coffee makers, power strips, and massage machines.