Why choice Mcoplus®? Mcoplus® is a well know trademark who specializeing in offering digital camera&photo; accessories to worldwide .We try our best to make sure customers have a pleasure shopping experience with us .we supply good quality products and very pretty price. Mcoplus® not only focus on providing high quality photography accessories but also excellent customer after-service, Appreciate advance for your support and positive affirmation : The Mcoplus FC-100 is a ring type macro flash light designed particularly for close-up, medical, scientific, forensic photography, etc Built with 32 pieces high intensity LED's, this Meike macro ring flash illuminates the subject, no matter how low the lighting conditions are You can use this LED flash light as an instant flash or for non-stop light photo shooting, which is mainly required in close-up photography Equipped with pre- flash system, this Meike macro ring flash allows you to turn on either full illumination or partial illumination, depending on the lighting situation Specifications: Main Functions：Manual/ Lamp A flashing/ Lamp B flashing/ All flash / Long brightness mode Power: 4AA batteries Various flash functions Suitable for macro shooting、portrait shooting、jewelry shooting、oral medicine shooting and so on Suitable for close range video shooting Package Includes: 1x FC-100 Macro Flash 1x 52mm Adapter Ring 1x 55mm Adapter Ring 1x 58mm Adapter Ring 1x 62mm Adapter Ring 1x 67mm Adapter Ring 1x 72mm Adapter Ring 1x 77mm Adapter Ring 1x User Manual