NEO-M8N Flight Controller GPS Module with On-Board Compass M8 Engine PX4 TR for Drone GPS The role of GPS: precise positioning and hovering The plug-and-play GPS module provides functions such as precise positioning, automatic return-to-home, and intelligent direction control. In GPS mode, the longitude, latitude and altitude can be locked for precise hovering, even in the case of strong wind, it can also hover stably in a small range. Ultra-low power consumption, supports Galileo in Europe, GLONASS in Russia, Little Sun in Japan, and of course Beidou in China. This version has a built-in electronic compass, and the refresh rate has been increased to 10Hz. Working voltage: DC5V The number of search stars: depending on the environment, there are up to 26 Accuracy: about 0.7 meters (up to 50cm if the signal is good) Volume: Ø54x15mm (not including cable length) Cable length: 280mm Weight: 30g LED: The blue light flashes after the star is found Colour:black Material:plastic Package Contents: 1 x NEO-M8N GPS module 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.