Road Genie Red & Amber Hazard Flasher Light - LED - Double-Sided 8-1/4 Inches Tall, And 4-inch Diameter - Unit Weighs 1 Pound, 4 Ounces Conveniently Stores Under The Seat - Multiple Led Lights For Very Bright Appearance Strong Magnetic Base Attaches Securely To The Top Or The Hood Of Your Vehicle This Red & Amber Lights Makes A Great Distress Signal For The Road, And Also For Boating This Unit Operates On 4 "aa" Batteries (not Included) - No Electricity Required