... exquisite appearance.2) 2.5” LCD display, and show camera image 1-channel video input, 1-channel video input.3 ... -D, KALATEL, SAE etc.7) Control the PTZ and camera.8) External charging, factory configuration charger, two rechargeable lithium batteries ... convenient, saves time and effort. ModelBT-B300Shell ColorIron gray, Camouflage ,YellowLCD screen2.5 inch LCD displayInput voltageDC9V,2ABattery2 x DC3 ...