Founded in 1978 and headquartered in Ohio, USA, ESCORT has more than 85% of the patents in the field of lidar detectors, mastering its own cutting-edge technology, and completed the overall acquisition of Bell Canada in 2004. The escort's products have won many honors and praises. Popular Mechanics, RadarRoy.com, and Car and Driver have all given high praise to its products. At the just-concluded 49th International Consumer Electronics Show, Escort's flagship product, Max360, also won the TWICE Picks Awards. The escort products not only have accurate detection and low false alarm rate, but also have many practical functional designs, such as one-key mute, intelligent learning, voltage alarm, etc., and Passport 9500i and Passport Max also provide Chinese voice prompt function. The escort product positioning is high-end, and the price is also higher, and the price of Redline, 9500i and other models is basically more than 5000 yuan in China.