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GE  |  SKU: 20871

GE MR16 Precise Halogen Light Bulb GU5.3 12V 50W 25° EXZ 20871

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Light Bulb Fittings

The light bulb fitting is the part of the bulb that connects it to the socket of a light fixture.

Check fitting guide

Colour Temperature

Colour temperature is measured in Kelvin (K) – the lower the number, the warmer the white light appears, while a higher Kelvin will appear cooler. Colour temperature generally ranges from 2700-3300K (warm) to 3300-5300 (cool) – and 6500K is daylight.

Check details of colour temperature

Equivalent Wattages Between Different Light Bulbs

As long as the technology developed, a LED light bulb can only use 8 watt power but light up similar brightness when a incandescent light bulb uses 60 watt power. There is equivalent wattage between different light bulbs. To stop making confuse, you need to know what wattage equivalent to each other. See the table attached as below.

Check table chart

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  • The GE ConstantColor Precise 20871 MR16 halogen EXZ narrow spot light operates at 50 watts and 12 volts.
  • It features the exclusive ConstantColor reflector coating to ensure a consistent, crisp white light throughout its rated 6,000-hour life.
  • The bulb has a 2-pin GU5.3 base and a beam angle of 15 degrees.
  • With a warm white 3050K colour temperature, this narrow spot light is perfect for retail lighting, museum lighting, landscape lighting, and more!



  • Family: ConstantColor Precise
  • ANSI Code: EXZ/CG
  • Fitting/Base: GU5.3
  • Wattage: 50W
  • Voltage: 12V
  • Colour Temperature: 3050K
  • Beam Angle: 25°
  • Rated average life: 6000H
  • Diameter: 50.8mm
  • Length: 47.6mm
  • Width: 5.24in
  • Dimmable: Yes
  • Face Type: Covered glass
  • Burn Position: Universal

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    Customer Reviews

    Based on 1 review
    Peter Justin
    Halogen Bulbs

    Delivered quickly, very very expensive, but also very very hard to find narrow angle halogens (not LED’s).

    GE Precise MR16 Halogen Light Bulb 12V 50W 25° EXZ 20871

    GE MR16 Precise Halogen Light Bulb GU5.3 12V 50W 25° EXZ 20871




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