1/4" SONY Super HAD CCD 480TVL ,0.01LUX ,f 4.1-73.8mm (18 X optical; 12 X digital) Built-in Decoders, Stepping Motor , 128 presets 7 alarm input / 2 alarm output, Pan rotation range Continuous 360 °RS485, Manchester code, BI-BPASE code, as coaxial control Baud Rate (RS485) 2400/4800/9600/19200bps IP66 1500W Lightning proof and surge proof Day /Night