... ~37X, Plastic shell,metal inner structure Hi Speed Dome Camera (RD-LCH02) Detailed Product Description High speed dome,128 prests,multiple ... presets, 8 PTZ tours, 24 presets per tour, 2 patterns, 40 second per pattern, 8 privacy mask zones.5. Functions like ... optic transmitter, and auto tracking etc. Hi Speed Dome Camera (RD-LHC02)