A. These halogen spot light bulbs are compatible with G9 base in 220-240V, easy to install and replace the original ones. They are compatible with most LED dimmers, with low heat generation, high brightness, no flicker, and homogeneous light. B. They have wide applications. For ceiling fan light: Uplights project light up onto the ceiling, creating ambiance. For chandelier: They are used as decorative points for rooms. Downlights enhance visibility inside the room. They create a cozy and warm white full glow ambient atmosphere. C. The package includes 20 pack G9 halogen bulbs. They are flicker free, with no hum quite operation. They contain no lead or mercury, no UV, which is good for the environment. These low energy halogen bulbs provide a beam angle of 360 Degrees, 900 lumens & 2800K warm white light. D. The light is comfortable. At 2800K warm white temperatures, it makes your eyes feel comfortable. It does not emit harmful radiation, no UV or IR. It is suitable for use in kitchens, living rooms, bedrooms and hallway. It is a suitable lighting source for crystal chandelier, table and floor lamps, bedside light, atmosphere lighting etc. E. Halogen light bulbs can be used for 2,000 Hours, about 1.8 Years with 3 Hour Daily Use. Note that keep the halogen ceiling lamp bulbs from oil. Non-blinking bulbs are good for the environment and home. F. Type: 40W; Colour: Transparent; Material: Plastic G. Package Contents: 20 x G9 halogen light bulbs Warm note: this halogen light bulb can only be applied at its rated voltage. Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.