The New and Improved It is now with a Bulb for faster and stronger penetration.This is a lightweight, hand held infrared heat lamp. Perfect for those hard-to-reach areas, or for portable use. control settings (high and low), provide warm and comfortable infrared heat therapy. is best for back ache, muscular pains etc and also have best results in sinus infections. Relief in one or two days has also occurred in cases... lightweight portable Use hand Held Infrared Heat .