Willmoon Tech Ring Lights' main purpose is to cast an even light onto the subject. This reduces shadows on the face and minimizes blemishes while illuminating the eyes. This is why ring lights are commonly used in Tiktok, portraits, glamour shots, or even videography, capturing only one subject. 18 inches WillmoonTech RingLights, 3 colors with tripod. Bluetooth Remote control. #28, 000Bulk Purchase minimum of 3 pieces for #24, 00012 inches WillmoonTech RingLights, 3 colors. Bluetooth Remote control. #14, 000Bulk Purchase minimum of 3 pieces for #12, 500