This oil burner plugs directly into a wall outlet, no need for a power cord. Place scented oil into the top dish and plug the warmer into a standard wall outlet. The 35 halogen watt bulb (included) warms the oil releasing its scent. Top dish is removable for easy cleaning. Side mounted dimmer switch with adjustable setting to increase and decrease the light. Measures approximately 5" tall. Perfect addition to your bathroom and kitchen. Can be used as a night light.