Adds a power switch and adds a standard DVR interface (the interface of the recording module). The 2.0 version now can record DVR but cannot record sound. We have reserved a standard DVR interface to record images and sound. Support AV IN analog video transmitter recording. Users need to restore the factory settings to the normal use of the AV IN interface functions. Fixed the boundary display problem of AV IN analog video transmitter.Optimize the AV IN analog video transmitter to improve the real-time performance of the transmission. Support user-defined selection of the OSD display content of FPV Goggles, support 24 OSD information definition displays of Betaflight. When the video transmission distance is 1km, the video transmitter can adjust the frame rate and code rate adaptively according to the distance and channel bandwidth.Support remote control to connect to PC via USD cable and control the simulator. Model: 5.8G RX Port3.0 Power input: 2S-4S (DC5.5 x 2.1) Internal voltage: 5V 3A (with pad output) Power output: 2S-4S (DC5.5 x 2.1) Signal Input: Standard FatShark Receiver Port(Including third- receivers: Reaxacc Furious, etc.) Signal output: Standard audio / video Support DVR Port The actual object may have color difference due to different light or display Colour:Black Material:PCB+Plastic+Metal Package Contents: 1 x receiving module 1 x mounting block 2 x cables 2 x Screw Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.