48 LED Macro Ring Continuous Light + 49-67mm 6 Lens Adapter Ring for Nikon CanonIntroduction:This LED Macro 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; With the power mode controller・ you can choose two different power input modes to offers you continuous light: 2 AA batteries that is convenient for outdoor shoot or AC adapter input. In addition・ it includes 6 different thread adapter rings (49mm・ 52mm・ 55mm・ 58mm・ 62mm or 67mm) to fit a wide range of lens models on the market. Specifications:Effective Distance: 3cm-1.0m(1.1-40inch)Power Rate: Semi Power / Full PowerLED: 48PCSColor Temperature:3200K-5600KSize of Step Rings: 49mm/52mm/55mm/58mm/62mm/67mmPower Source: AA batteriesx2・ or DC3VWorking Hours: 1.5 hours with 1.5V alkaline batteries1.0 hour with 1.2V rechargeable batteriesRing Light Dimension: 12.8 cm x 10.3 cm x 2.8 cm How to use:1. Install 2 AA batteries into control unit in the right way・ and insert the cold foot into camera hot shoe.2. Choose a step ring according to the aperture of your macro lens・ and install the macro ring flash onto your lens・ then insert the power plug into the OUTPUT socket of the control unit.3. You can choose external DC3V electricity power supply or internal BATT battery power supply according to your shooting needs.4. You can choose different mode L/R / ALL to change the illumination of LED light to get special photography effect according to your shooting needs.NOTE:1. This item is for the macro lens.2. This item's electricity adapter is not designed to charge power into batteries of the control unit.