You can place the lightbulb on any background without any manipulations, because it’s fully transparent. This set contains 2 lightbulbs for light and dark backgrounds. They have different reflections on their non transparent parts.
It’s recommended to use the lightbulbs on a simple backgrounds, because to get realistic feel of the lightbulb on the photo you will need to distort the photo under the glass part of the lightbulb. It doesn’t necessary on colored, gradient or simple backgrounds.
The renders of the lightbulbs was created from the high-quality 3D model. This images have no noise.