"The Whelen Engineering Guardian halogen mini lightbars feature 175 RPM rotators and a full-size diamond mirror that provides 700 flashes per minute. Flashes Per Minute 700, Housing Material Polycarbonate, Power Cord ft. 1, Bulbs Per Light qty. 2, Mount Type Permanent, Dimensions L x W x H in. 17 5/16 x 7 x 6 1/4, Mounting Hardware Included Yes, Connector Type 12V DC, Rotations Per Minute 175, Lights Included qty. 1, 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"