they inclose the light with a 1/4 to 1/2 in of glass SEALED no heat escapes so it drops you temp BIG TIME droped mine from 86 to 76F comes with a socket in them.
MeanGreenEye420 Reviewed by MeanGreenEye420 on . My plants got there Smell today PICS Here they are smelling very pretty like the little girls they are. Rating: 5