Tattu 850mAh 4S 75C 14.8V Lipo battery is specially designed for 150mm, 180mm size FPV Multirotors.
The Speedy Bee TX800 is compact, high-efficiency video transmitter, offering a variable power output from 25mW up to 800mW and including a Pit Mode. It has IRC Tramp support for easy setting changes remotely via FC control, or you can use a simple push button on the VTX if you prefer. The transmitter only measures 28x28mm in size and is perfect in a stack with 20x20mm M2 mounting holes. The TX800 has a MMCX antenna connection, but it also includes a SMA pigtail adapter and a dipole whip antenna.