... Function,1/4 SONY CCD,480TVL,Indoor Mini Speed Dome , IP Function Housing E(for Indoor High Speed Dome) 10X Day&Night with IR ... Cut Function,1/4 SONY CCD,480TVL,Indoor Mini Speed Dome , IP Function with MP4 Compression. Model No.TD-500 ... bpsWork environmenttemperature:-10~+55; humidity:20%-80%RHGWork voltageDC12V 2AWeight640gInstallationWall/Ceiling