... more than twenty PTZ protocols. For example, PELCO-P, PELCO-D, SAMSUNG etc.l Lithium Ion Polymer ... high power-efficient, energy saving and environmental protection. It can last 12 hours for normal use after charging for ... (Auto adapt)Display2.8 inch digital TFT-LCD, 960 x 240 resolutionLCD adjustmentBrightness, Contrast, ... cable connection status and display in the screen. Read the number of the test box ...