... multimeter and PTZ controller UTP cable tester ,video signal testerand RS485 data analysis OEM Video PTZ Camera CCTV ... Rate150,300,600,1200,2400,4800,9600,19200bpsVideo Signal Generation Color bar generationOutput one channel PAL/NTSC colorbar ... polymer battery ,3000mAhRechargeableAfter charging 3-4 hour, working time lasts 12 hoursLow ConsumptionEnergy saving technologyGeneralWorking Temperature-10°C ...