recommended uses from GE website
GE 48069 125-Watt R40 Heatlamp, 1-Pack, Features and Benefits: GE's specialty bulbs offer innovative solutions for a variety of lighting needs. Use it at home to heat small areas of the bathroom and workbench, or to prevent freezing of water pipes, car radiators and pumps.
I am hoping others will agree if you use this you will cook your beardie. If in doubt use a proper heat lamp from a pet store or online pet store. If you cant find one for now use a clear house hold light bulb, until you can get a proper one. However you should also be using a
UVB light source as well to naturally produce vitamin D3.
The top basking area on one side of the cage (closest to the light) should peek between 100 - 105 degrees for adults and 100 - 110 for babies - with the ambient cage temperature on the other side of the cage being significantly cooler - approximately 80-85 degrees.