The Kaiser R60 LED Light is a powerful ring-light perfect for producing shadowless lighting for all forms of close-up photography. Comprising of 60 white light (daylight) LEDs, with an output of approximately 2300 lux at 30cm with a 52deg angle of illumination, the R60 is fully dimmable. Lightweight and compact it is powered by four AA batteries (not included) and an optional external power adapter can also be used. Designed to be mounted directly to a lens six adapter rings (49/52/55/58/62/67mm) are included. The R60 has a minimum working distance of 3cm and will operate up to 120mins at full power.