... and PTZ control functions in one small and exquisite appearance.2) 2.5” LCD display, and show camera image 1-channel video input ... hours after charging.10) DC9V, 2A power supply and 2*1400MAH lithium batteries.11) Auto-reduce power dissipation, to ... convenient, saves time and effort. ModelBT-B300Shell Color LCD screen2.5 inch LCD displayInput voltageDC9V,2ABattery2 x DC3.6V(1400mA)rechargeable lithium ...