... shell,metal inner structure Hi Speed Dome Camera (RD-LCH02) Detailed Product Description High speed dome,128 prests,multiple protocol, multiple module ... , 180° tilt, 300 million steps per round, move smoothly with no shake, the speed range automatically. 9. Multiply Movement: ... link the alarm, 4 inputs and 2 outputs.13. Compatible with most camera modules such as SONY, HITACHI, SANYO, SAMSUNG, LG, ...