•Compact Body Suitable for Placement: No matter where it is placed, it is clear and natural, and does not block any sight •GPS Compass: GPS precise positioning / real-time synchronous display data, satellite data collection, not affected by weather •2 Big Alarm Functions: Over-speed alarm can be set, continuous driving for 8 hours fatigue driving reminder •Automatic Switch Machine: Automatically turns on and off when the car starts and turns off •Non-Destructive, Installation, Plug & Play: Connect the USB cable to the USB port or the cigarette lighter car charger port Specifications: •Model: G4S •Function: speed, the direction of travel, time, number of search stars •Alarm: speeding alarm fatigue driving reminder alarm •Screen size: 2.2-inch •Product size: 52 x 52mm Package included: •1 x Head-Up Display •1 x USB Cable •1 x Suction Mount •1 x English Manual •1 x Double-Sided Adhesive •Other items not included