Topsky 320*240*3 Display 5.8 Ghz 48 Channel FPV Watch Built-in Battery For RC Drone Features Mini fpv watch, easy to carry. One click search function Support OSD function, can display the data of frequency, b&, channel. Auto switch between NTSC/PALBuilt-in 300m Ah battery Resolution: 320*240*3 Screen Size: 4:3, 2.0 inch Antenna: MMCX 5.8 Ghz Antenna Port: Micro-USB Port (charging 5V/1A) Channel: 48 channels, one click search Video Standard: NTSC/PAL Auto select Buttons: Band/CHBattery: Built-in battery, 5V 300m Ah Package Included 1 x 320*240*3 Display 5.8 Ghz 48 Channel FPV Watch 1 x Charging Cable 1 x Mouting Bracket 1 x User Manual