... : 1/60s-1/10,000sBalance/White(B/W):Auto/Manual Opposite Retrieval: Auto RGB:Auto SPOT:Auto Adapter: 18/20/25/28/32SSafety standard ... Choledochofibers,fiber laryngoscope and Arthroscope,Sinoscope...Can be used in first aid scene,such as battlefield,disaster relief etc.reducing the mortality ...