Royal Marine
•LED Manual Flash Trigger •Support all Camera with hot shoe •support all strobes with optical fiber •Support all housing with M16 Bulkhead •CR2032 button battery •Dimensions: 36*46mm for trigger and M16 bulkhead It is a small electronic device installed inside the underwater housing above the camera. It converts the electrical signal sent by the camera when taking a photo into a light pulse (LED). This flash travel through a fiber optic cable to trigger external strobes instantly.