SYLVANIA TUNGSTEN HALOGEN LAMP #54598 - EJG 750T3Q/4CL 750W,also known as 64561& XLP 54598-2  20,600 lumens,400 hours,120V, Bulb Type T3 ,Recessed Single Contact (R7s),OAL.4.7, Color Temp. 3,200K  (THEATER-STAGE &SHOW LAMPS,   (MADE IN USA) not china.     LOC.(B-1-3)                                                           COMPARE TO STAGE LAMP GE-EJG-Q750T3/4 CL, 750 W