Green Creative 4MR16G4/827FL36 MR16 LED Bulb, GU5.3 4W (20W Equiv.) 36 Deg. Beam - 2700K - 270 Lm. 20W halogen replacement Suitable for use in totally enclosed fixtures Full-face optic and smooth heat sink High efficacy Compact size 1:1 halogen form factor Works with electronic and conventional transformers Applicable to track, recessed, and accent/display lighting Suitable for damp locations, not for direct exposure to weather and water UL certified Class 1 &amp; 2 UL listed &amp; FCC compliant