Founded in 1996, Taiwan Ruiyi Group mainly develops and produces GPS driving safety warnings, radar warnings and portable three-in-one function navigators. Ruiyi Technology has created a series of brands such as "Conqueror" and "Radar Eye", and the products produced are in a leading position in the industry. There are many models of conqueror radar detectors, and the price difference is also very large, the minimum price of the basic model is more than 300 yuan, and the high configuration model is more than 2000 yuan. Some models are equipped with a traffic card, which can automatically update the latest speed measurement point data, and will also remind the driver of the average speed during the interval speed measurement, which is very practical.