About this item Compatible with Alexa Echo Show 15, Echo Show 8, Echo Show 10 3rd Gen, Echo 3rd Gen, Echo 4th Gen, Echo Plus 2nd Gen, Echo Show 2nd Gen Work with Alexa 30W original AC adapter Extend to 3 meters (10 feet) away from your wall power outlet Flat and thin cables can easily run through the window or door DC male to female barrel connector; 18AWG wire; TPE material; White color Dimensions: 6.97 x 2.4 x 1.34 inches