Lead free or mercury, or any other element that is harmful to the environment. Flicker-free light bulbs are excellent for the environment and the home. With a lifespan of up to 3,000 hours, they reduce pollution caused by frequent lamp replacement. High quality 28 W G9 halogen bulbs, 220-240 V low energy halogen bulbs provide a 360 degree beam angle, warm white light of 2800 K with 370 lumens. With full glass body, the G9 bulbs can shine at 360° beam angle. 100% adjustable without blinking or buzzing. It is compatible with most LED dimmers, low heat generation, high brightness, no flickering, homogeneous light without an unnatural radiation pattern that protects the eyes. G9 Halogen bulbs Creates a warm, white and cozy ambient atmosphere, perfect for use in kitchens, living rooms, bedrooms and hallways. Perfect lighting source for crystal chandeliers, table and floor lamps, night lights, ambient lighting, etc.