Omega shape heater tube,Infrared Halogen Heating Lamps MODEL # Voltage watts color temperature Ave life QIR-R/ 700 110/220V 700W 1750k 10000H QIR-R/750 110/220 750W 1750K 10000H QIR-R-800 110/220 800W 1750K 10000H QIR-R/850 110/220 850W 1750K 10000H QIR-R/1000 110/220 1000W 1750K 10000H QIR-R/1200 110/220 1200W 1750K 10000H