Specifications:

ATmega328P with Arduino bootloader
MAX7456 monochrome on-screen display
Standard 6-pin ISP header
Solder jumper for PAL video option
Exposed test points for HSYNC and LOS
Dimensions:17.5*35mm
Weight:3g
Note:BAT+ is direcrly connected with VTx and Camera (Pay attention to the max with stand voltage of your equipment)

Included:

Micro OSD * 1
JST GH 6P cable * 1
JST GH 4P cable * 1
JST GH 3P cable * 1

PINMAP

Connection

Manual:

Holybro_Micro_OSD_V2_Manual.pdf

Some Tips:

https://ardupilot.org/copter/docs/common-minim-osd-quick-installation-guide.html