Warning Light, Color Blue, Lamp Type LED, Flashes per Minute 65, Lamp Life 148,000 hr, Lens Material Polycarbonate, Housing Material Glass Reinforced Polyester, Mounting Surface, Rating UL Class 1 Div 2, Groups A,B,C, D, Class II Div 2, Groups F, G, Class III, Power Source 24V DC, Current Drawn 0.215A DC, Height 4 3/4 in