2 PCS 500 Watt Dome Car Tweeters Stereo Audio Speakers * Enjoy music and entertains when you are driving alone with this speakers * This pair of 500W Car Tweeters Speakers fits all car audio systems and anywhere in cars * Instant and easy installation with instructions on the package back and necessary fixing screw * Size of Dome Tweeters: 40(diameter) x 33(thickness)mm