ST100 Pro Underwater Strobe Professional Underwater Photography Strobe Flash Light with Optic Cable

Feature: 1. ST 100 Pro Underwater Strobe suitable for most of Seafrogs and Meikon camera cases which have the optical fiber interface. 2. ST 100 Pro and TTL is only compatible with Nikon camera, connected by USB. 3. Max. diving depth is up to 100m 328ft, it can be used at water temperature between 0 celsius and 40 celsius . 4. Powered by 4 * AA alkiline or nickel metal hydride(NiMH) batteries, use new batteries only.(Batteries are not included.) 5. Before using the equipment underwater, check that the unit is watertight and ready for use. Specification: Item Type: ST100 Pro Underwater StrobeMaterial: PC Flashing Index: GN: 32 (overload ISO100) Digital Support: Optic Cable (compatible with all cameras) Digital Support: USB Cable (compatible for camera TTL) Flash Point: 100 degrees x 100 degrees Battery: 1.5V AA battery 1.2V AA battery(Not included) Flash Time: AA alkiline battery: 500 times AA battery: 600 times Reflect Speed: 5s 4s Flash Support: Support 5 pin socket & optic cable connection Reflect Instructions: LED light (red) Color Temperature: 5600K Focusing Light: 3W LED, manual auto (auto 8s close), auto close when exposure Pressure Depth: 100m 328ft Exposure Control: optical cable USB synchronize with TTL, adjust the luminosity (flash index), M grade by turnable key Index Grades: 6 grade (GN 1 2.8 5 8 16 32) TTL Compensation: 6 stage (EV 0.3 1.0 2.0 )(+0.3 +1.0 +2.0) Size: Approx. 105 x 163 x 98mm 4.1 x 6.4 x 3.9in . Package List: 1 x ST100 Pro Strobe 1 x Optic Cable 2 x Soft Light Lens 1 x User Manual