Comes with both black ASA and white ASA screw in grills with water resistant fabric liners. Installation: 2-3/4" diameter hole x 1" deep. Maximum amp draw: 4 amps. dB(A) rating: 111 at 1 meter. Fundamental frequency: 370-/+20. Mounts from outside, grill screws on for easy installation. Easy retrofit. 12 volt.
