Easy to Install: Pack of 4 (track rail included). The H-Type Track Light is easy to install without electricians. Turn off the power, insert the product to the track, install the bulb, turn on the power supply and enjoy the light Design: Metal matte black track lighting pendant with a trendy shape, the clear glass shades showcases the bulb perfectly to provide a wonderfully warm glow to any space in your home Dimension: Total length from the top of the track connector to the bottom of the lampshade is 47"/120cm; Lamp shade size: φ4.0″/10cm; height:6.0"/15cm H-Type Track: Our track lighting heads are compatible with H type 3-wire-1 circuit track system and Halo light circuit. Easy to change, can match a variety of decoration style. Ideal for kitchen island, dining room, restaurants, bars, ect Bulb Type: Support any LED/CFL/other bulbs with E26 Base for this hanging pendant lights, max 60W (Bulbs NOT Included), Could be fully dimmable when used with dimmable bulbs and compatible dimmer switch to create the perfect atmosphere(NOT Included) MELUCEE H-Type Track Pendant Lighting Modern 4 Lights Track Ceiling Light Fixtures Hanging, Include 39.4 Inches H Type Track Lighting Rail and Clear Glass Shade, E26 Socket, Pack of 4