Auto save last running data when switched off or power off accidentally. It will continue to run when power on again. Technical features DMX512/1990 Standard 408 channels LCD display with backlight Up to 24 scanners may be connected with a maximum of 16 channels each 24 channels for dimmers 8 slider for manual control of channels assignable joystick for ease of movement Manual operate enable 24 chases (at most 40 steps for each chase) 960 chase steps Range of cross time: 0.1s-25.5s Range of speed time: 0.1s-25.5s Each chase speed and cross time can be saved automatic 128 K high capacity memory card The Data auto-saves DMX signal output connector: XLR-D3F Power supply: DC9V 10 00mA Size: 485mmX250mmX91mm Net Weight: 5Kg Up to CE standard,UL standard and GB 7000.15-2000 standard