... small and exquisite appearance.2) 2.5" LCD display, and show ... camera image 1-channel video input, 1-channel video input.3) OSD menu and easy to operate.4) Internet line ... -D, KALATEL, SAE etc.7) Control the PTZ and camera ... 4 ~ 5 hours continuously.13) Engineering debugging convenient, saves time and effort. ModelBT-B300Shell ColorIron gray, Camouflage ,YellowLCD screen2.5 inch LCD ...