... 3) The CCTV transmitting channel testing 4) PTZ controller 3.5"TFT-LCD , 960H×240VresolutionDC12V power outputAudio ... receive colorful imagesSupport more than twenty kinds of PTZ controller protocols. For example, PELCO-P, PELCO-D, SAMSUNG etc. ... Batteries, 3.7V DC2800mAhRechargeable4 hours recharging time, work for 15 hoursLow ConsumptionSleeping mode, display battery power stateOther ParametersWork ...