Rebaydo 1pc UV LED 36 Watt Lamp operates from 90-240VAC 50-60 Hz. Uses UV LEDs with a service life of up to 30,000 hours. The fixture allows selection of 3, 6, 9, or 12 operating LEDs and includes a 360-degree adjustable mounting bracket along with an internal cooling fan for dependable operation. The unit is compatible with DMX controllers for external control and measures approximately 4.76 inches outer diameter, 3.92 inches inner diameter, and 3.51 inches deep. CE, RoHS, and FCC listed. Warning: Avoid exposure to direct or reflected ultraviolet rays. UV radiation is hazardous to the eyes and skin and may cause severe eye injury, skin burns, and increase the risk of skin damage. Operate only in unoccupied areas and follow all applicable safety precautions.