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New OBD2+GPS Gauge Slope meter P21 work to all cars

Item No.: P21
New OBD2+GPS+Slope meter multifunctions Gauge, more than 55 functions
1)The screen is large, the 3.5-inch large screen is fully used, and it is the most complete screen among all models, with a 5.8-inch body
2)Color changing atmosphere light
3) 12 kind
Description