Lamp 750w Sylvania 54598-3 Tungsten-Halogen T3 Bulb.   EJG 750T3Q/4CL 750W,  20,600 lumens,400 hours,120V, Bulb Type T3,Recessed Single Contact (R7s),OAL.4.7"DIA.0.375, Color Temp. 3,200K  ,also known as 64561,   This bulb is commonly used for studio, theater, TV & video, and has a 400 hour lamp life  (MADE IN USA) not china.      LOC.(B-1-3)    COMPARE TO STAGE LAMP GE-EJG-Q750T3/4 CL, 750 W