The maximum glowing electroluminescent (EL) + LED safety vest it has many unique feature over other safety vest: This one is the highest quality on the market. High bright orange mesh vest Super wide 10cm highly reflective strips (3) 21 ultra bright red LED (11 on front) (10 on back) Each LED moisture sealed 11*5 cm Electro Luminsecent POLICE panel on front 22*10cm Electroluminescence POLICE panel on back EL panel moisture sealed The POLICE panels have 3 separate changeable function, A. Constant on B. Blink C. Blink P-O-L-I-C-E then POLICE 5 seconds then repeat Water resistant inner pockets for the battery packs On/Off/Function buttons on the outside of the vest for quick and easy operation. Made of the highest construction and quality.