The TP-Link Kasa Smart Wi-Fi Light Dimmer Switch HS220(US) Ver:3.8 is a white plastic combination switch suitable for both interior and exterior walls. It has a maximum amperage of 20A and operates as a dimmer switch with app-controlled functionality. This smart switch is compatible with Google Home/Assistant, Amazon Alexa, and Samsung SmartThings for seamless integration into a smart home setup. Made in Vietnam, the TP-Link switch allows for control via push buttons, app control, and traditional switch operation, offering convenient and versatile light control options.