... and PTZ control functions in one small and exquisite appearance.2) 2.5" LCD display, and show camera image 1-channel ... , SAE etc.7) Control the PTZ and camera.8) External charging, factory configuration charger, two rechargeable lithium batteries, video ... effort. ModelBT-B300Shell ColorIron gray, Camouflage ,YellowLCD screen2.5 inch LCD displayInput voltageDC9V,2ABattery2 x DC3.6V(1400mA)rechargeable ...