Size: The size of the switch is 3.1x3.1x4.4 cm/1.22x1.22x1.73 inches, which is moderate in size and can be compatible with most of the machines and so on. Easy to use: The switch is easy to quickly connect the wire terminals for quick and easy installation (just strip the wire and push it into the proper terminal position). Multipurpose: The switch can be used for electric ovens, juicers, electric heaters, blowers, range hoods, humidifiers, massage equipment, heaters and other appliances. Power rating: The switch is rated at 13a-120v ac/10(3)a-250v ac, low voltage, energy saving and power saving. 4 speeds 3 speeds: The switch is designed with 4 speeds 3 speeds (off, l-1, l-2, l-3), which can be adjusted in different gears and wind speeds, easy to use.