This is a set of 7. They were used for about 2 years. There are some scratches, but there are no problems with use. They have lights. DSL-3659YBE ￥13,800 (excluding tax) LED replacement possible ■ Swivel 90°・Rotation 360° ■ Swivel outward only 90°・Rotation 360° ■ Dimmable (20%～100%) ■ Dimmers sold separately (DP-37154E・39672～5) Can be used on sloped ceilings Fixture color: Black Beam angle: 20° Body: Steel plate, black paint Light source life: Light source life 30,000 hours Proximity limit: 0.1m Note: When mounting on a wall, please follow "About wall mounting of duct rails". Note: Dimmer DP-40720 cannot be used.