BL12LHS AMBER TYPE B HEAVY DUTY BARRICADE LED LIGHT; Meets ITE specifications; Meets MUTCD standards; UP TO 1200 HOURS ON 2 x "D" BATTERIES; RUN TIME UP TO 2 MONTHS; Optional Magnetic Base $8.99; Optional LT Bracket $6.99; Perfect warning lamp for construction sites, work zones in-plant work areas and around highway construction project; Best Value with the industry's brightest LED optic lens which produces 20% more light output compared to competitive brands; Built with polycarbonate and polypropylene, no problem withstands impact and harsh weather conditions frequently experienced in construction and other industrial applications; TYPE B ONE-sided Visibility Barricade Light; Type B 3 Volt D-Cell; 12pcs super bright LED internal light source & 2-way Operation: Quad Flashing or Off; ADVANTAGES; Anti-UV Polycarbonate lens withstands high impact and pressure