- No need PC parameters adjust.
- With Barometer, more precision height indication.
- Dimension: S2 OSD 38mm x 26mm , GPS 25.3mm x 26mm
- Weight: S2 OSD 6g , M8N GPS 12g
- Power supply: 7V - 16.8V 
- Video voltage measurement in the range 0 - 16.8V 
- Power voltage measurement in the range of 0 - 30V 
- General ADC measurement range
- Standard PAL or NTSC video signal Global positioning system (GPS)
- Any NMEA GPS real-time system with standard protocol to send and receive signals
 

The function of the button:

- Save the position (short) by (initialize the take-off point All the data to zero) 

- Long press to enter menu Settings OSD interface configuration software