Strobe, General Purpose Visible Signal Application, Red/Finish, 0.04 A Current Rating, 3 In Diameter, 1/2 In Hub Size, Polyurethane Material, +150 °F Maximum Operating Temperature, -40 °F Minimum Operating Temperature, Pipe Mount, 5 In Overall Height, 1.75 Joules Per Flash, Power Supply Output 2.7 Watts;5" Tall X 3" Dia., 0.6 LB;All Models Ul Listed;Two Year Warranty, Ul Listed, 120 V Ac Voltage Rating, 2.7 W Wattage, 0.6 LB Weight