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, 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 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: 60g LED: The blue light flashes after the star is found Colour: black Material: plastic Package Contents: 2 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.