That takes time and skill, so you can expect to pay a premium price for the effect. Normally, it is anywhere between $25 â $50 if you buy individual spray tans, in a package of 5 or10 it will be less.
LEDs are âdirectionalâ light sources, which means they emit light in a specific direction, unlike incandescent and compact fluorescent bulbs, which emit light and heat in all directions. For this reason, LED lighting is able to use light and energy more efficiently in many applications.
Light bulbs account for about 5% of the electricity bill of the average US household. Although other energy savers will have a larger effect, replacing incandescent bulbs is always worth it in the long term: Replacing a traditional incandescent bulb with a compact fluorescent light (CFL) will typically pay for itself within 9 months.