Sea Frogs SL-108 40m130FT Underwater Photography Macro Ring Light 1. Made of high-brightness lamp beads, high efficiency and energy saving, low light loss. 5 light modes: white lightred lightblue light 2. Suitable for cameras or waterproof housings with 67mm threaded interfaces. 3. The housing is made of PC110 composite material and aluminum alloy, which has strong drop resistance, heat resistance, fire resistance and flexibility. 4. 40 white woven wicks, strong light 1200 lumens high brightness, greater than 95 high color rendering value white light 5. 14 inch universal external screw port, compatible with more accessories Parameters: 1. Brightness: strong light mode 1200 lumens; weak light mode 300 lumens; SOS mode 450 lumens; flash mode 3000 lumens. 2. Battery specifications: lithium battery 3.7V1800mAh 3. Waterproof depth: 40m130ft 4. LED specifications: white light JZ3535WC x 40PCS, color temperature 7500K 5. Irradiation angle: 120 degrees 6. LED life: 50,000 hours 7. Effective irradiation distance: 1.5 meters underwater 8. Main material: PC110+aluminum alloy 9. Size: 125.4 x 129 x 32.35mm67mm threaded interface 10. Weight: 200g