Kolida K1 Pro inertial navigation RTK measurement system, based on a new generation of tilt measurement technology based on integrated navigation, has a large inclination of 60 degrees to realize full scene alignment free measurement; it is embedded with ESIM chip without card, providing real-time network resources; GNSS antenna, Bluetooth antenna, wifi antenna and network antenna are highly integrated, which can cope with the measurement operation in harsh environment, and help users finish the measurement efficiently in many aspects Complete the survey.