Best to Buy&reg; (6-PACK) Dimmable 5.5-Watt T4 G4 LED Bulb 12-30V AC/DC, 72 SMD 5730 LED, 5.5W White Color (Jc10 Bi-pin 30-40w Replacement) (Pack of 6) Led Tower Type T4 G4 Base 12-30Volts Ac/Dc 72smd5730 LED Holagen Bulb Replacemnt- 3 year warranty Color Temperature: White ,6000K, 420 Lumens Good replacement for Halogen G4 Base bulbs: Landscape Fixtures , Automotive, RV, Boats, Spots, Appliances Reduced maintenance & replacement 50,000 Life Hours, Energy saving