Alternative Energy Source—Wind Powered.
Spin Alert is an ecologically “Green” product that combines high intensity reflective with spinning motion to create a truly unique hazard warning device. Approved by the FHWA in 2009 and sited in the 2010 MUTCD Standards Manual, “Spin Alert adds an extra degree of attention to any traffic control device, including: traffic channelizing barrels, barricades, attenuators and barrier walls, warning and regulatory signs.
Daylight Safety Motion attracts attention—nothing works better in daylight hours.
Night Time Safety High intensity reflective—nothing works better at night.
Bad Weather Safety Works best in bad weather—when you need that extra degree of safety in rain, sleet, snow, fog and smoke
Sold in a Carton of 2.