... generation,RS485 data test, 2.5 inch TFT LCD PTZ RS485 UTP Portable cctv tester,cctv camera tester,function of cctv tester, portable tester,PTZ TesterFeature2.5" TFT-LCD, 960(H)×240(V)resolutionVideo ... controllerOSD menuEnglishPower supplyDC9VBattery2pcs 18490 standard battery 3.7V 14000mAhRechargeable5 hours rechareable time, work for 5 hoursLow consumptionSleeping mode availablework Temperature-30 ...