The Macro LED Ring Light, a well-designed device for close shots, can constantly emit light and provide permanent lighting for subjects. With the LED lamp mode controller, you can adjust the three modes: all light, half left light, and half right light. The power mode controller offers the user continuous light, which easily connects to the ring light and operates with 2 x AA batteries (not included). In addition, included are 6 different thread adapter rings (49mm, 52mm, 55mm, 58mm, 62mm, and 67mm) to fit a wide range of lens' models on the market.Other products from A4C