These lights are encased in UV-resistant epoxy. They have an extremely low energy draw and are not hot to the touch. All are shockproof, waterproof and available are white color with white bulbs. 115 Series is a 15 degree light; 130 Series is a 30 degree light. All lights can be wired through the back or the side and all are 12VDC. Size: 1-9/16" W x 13/16" H. Mounts with No. 4 screws included.