Upgrade from CFL to compact LED bulbs and start saving instantly


SmartDrive compact LED bulbs are energy efficient, long-lasting, replacements for downlight applications that previously used 4-pin CFL lamps. Keystone’s 4-pin LED bulbs provide 50% energy savings when compared to a typical CFL fixture and have 4x the useful life.

Keystone makes installing the compact LED bulbs easy with our LED plug and play design. There are no tools required for either the horizontal or vertical configuration, simply switch the bulb in seconds. Our 4-pin LED bulbs are compatible with most CFL ballasts.

Compact 4-Pin LED Benefits

  • Save 50% on energy consumption when compared to a typical CFL lamp
  • Extend the useful life up to four times
  • Install quickly with our plug and play design
  • Compatible with most CFL ballasts

Product Features

  • Replacement for conventional CFL 26W/32W/42W G24q lamps
  • LED plug and play: directly compatible with most existing CFL ballasts
  • Operating temperature: -20°C/-4°F to 45°C/113°F
  • Instant startup
  • Environmentally friendly: no mercury used
  • Frosted lens eliminates pixelation

cULus Classified Mark UL Recognized Component Mark RoHS Compliant logo 5 Year Warranty

Tech Specs

The Keystone Difference

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Industry-leading warranty

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