See more Light bulbs


Right chevron


Right chevron

Light bulbs

Right chevron

Osram Halogen M258IRC MR16 Spotlight 50W GU5.3 12V Dimmable Decostar Pro Warm White (3 Pack)

Sold & shipped by Lightbulbs Direct

Left chevron
Zoom inZoom outZoom reset
Osram Halogen M258IRC MR16 Spotlight 50W GU5.3 12V Dimmable Decostar Pro Warm White (3 Pack)
Right chevron
Checking availability...
Checking availability...

Product details

Product information

This MR16 spotlight light bulb with a light output equivalent to a 75W halogen dichroic but a power consumption of only 50W, these powerful little spot Lightbulbs Directly replace existing MR16 light bulbs to save 30% of your electricity costs. A simple plug-in replacement for standard MR16 halogen light bulbs, these energy savers use patented infrared recovery technology to give up to 50% greater light output and reduced heat. This spotlight lamp is fitted with a low voltage 12V GU5.3 2-pin (5.33mm apart) base.

  • Dimmable
  • Energy rating pre 2021 - B
  • Guarantee - Statutory
  • Life length - 5000h

Features and benefits

Estimated running cost £13.11 per year (based on 5-hours per day)

  • Spotlight shape Halogen bulb; compatible with existing fixtures with a GU5.3 holder; designed for retrofit replacement of incandescent bulbs.
  • Rated Life: 5,000 hours
  • Energy Saving: 33% saving on a 75W standard halogen MR16
  • Colour temperature of 3000K provides warm white light, creating a comfortable atmosphere in any facility.
  • High colour rendering (CRi 100) provides vivid and natural light.


Bulb typeMR16
Cap fittingGU5.3
Colour rendering index (CRI)100
Colour temperature3000K
Equivalent wattage75W
kWh per 1000hr life50kWh
Light technologyEco halogen
Light colourWarm white
Mercury content0mg
Model name/number48870WFL
Pack quantity3
Power output50W
Product diameter51mm
Product length46mm
Switch cycles125000
Warm up time0.5s
Product code4050300516714