Feature: 1. Compatibility: Designed for lenses with 17mm and 37mm thread, compatible with all 17mm and 37mm threaded mobile phone external lenses on the market, allowing cell phone photography enthusiasts to have a nice photography experience, easier lens replacement and more stable shoot. 2. LED Fill Light: This lens phone adapter with LED fill light, equipped with 3 colour modes and 3 levels of brightness adjustment, 95+ CRI, brings impeccable light effects to your shots, solves the problem of insufficient light, easily capturing the beauty of the world, ideal for outdoor photography. 3. Pull Clip Design: The lens phone accessories with pull clip design, support phones from 50 mm (1.96 inches) - 90 mm (3.54 inches) in width, and the phone clip is made of soft silicone that is non slip and won't damage your phone or press on the buttons, this lens attachments fits almost all smartphones on the market. 4. Easy Install: 17mm+37mm lens hole slide rail and phone holder stretch clip design, 3 step easy installation, easy to adjust and easily align with the phone lens. EVA spacers are included in the kit, so if the phone lens is designed for protrusion, EVA spacers can be pasted for use. 5. Applicable Lens Range: Fit lens from 17mm+37mm (0.66in+1.45in) in threaded diameter, can be used on for microscopes, macro, wide angle, fisheye, radial, star filter, kaleidoscope lens, ect. Specification: Item Type: Phone lens fill light Material: ABS, TPE Interface: 1/4 thread interface, cold shoe mouth, M37 LED Bead Quantity: 20 cold light, 20 warm light, total of 40 2835 model beads, cold and warm beads with a color rendering index of 95+ Fill Light Built in Battery: Lithium ion battery 350mAh Color Temperature: 2700-6500K Adjustable Brightness Range: 3 levels of cold warm light adjustment Color Rendering Index: 95+ Battery Life: Cold and Warm Light Fully Bright: Full load, fully charged, lasts 35 minutes Cold Light Fully Bright: Full load, fully charged, lasts 60 minutes Warm Light Fully Bright: Full load, fully charged, lasts 60 minutes External USB Power Supply: Fill light can work for a long time. Package List: 1 x LED Fill Light 1 x Macro Lens 1 x Storage Bag 1 x User Manual 1 x Charging Cable 1 x Cleaning Cloth 9 x EVA Pads