"The Whelen Engineering Guardian halogen mini lightbars feature 175 RPM rotators and a full-size diamond mirror that provides 700 flashes per minute. Housing Material Polycarbonate, Flashes Per Minute 700, Mount Type Permanent, Dimensions L x W x H in. 17 5/16 x 7 x 6 1/4, Bulbs Per Light qty. 2, Power Cord ft. 1, Mounting Hardware Included Yes, Connector Type 12V DC, Lights Included qty. 1, Rotations Per Minute 175, Light Color Amber, Light Type Halogen mini light bar. SAE J845 Class I certified amber 175 RPM rotators full-size diamond mirror provides 700 flashes/minute Precision wide-angle reflectors provide maximum intensity Quiet, reliable double ball bearing motor assembly Standard 12V DC Permanent mount"