Inside aluminized easy to gather light and heat energy. Suitable for warming and raising temperature.

Art No.	HW220-125	HW220-250	HW220-500
Voltage(V)	220	220	220
Wattage(W)	125	250	500
Diameter(mm)	127	127	127
Length(mm)	183±5	183±5	183±5
Total Radiant Flux(W)	70	140	300
Half Width of Radiation(cm)	22±4	28±4	22±4
Average life(h)	5000	5000	5000