Wide Application - Suitable for all cars, trucks, buses, electric scooters, and electric bicycles Plug & Play - Power on and operate directly without additional setup No Jump Speed - Provides smooth and consistent speed display with no sudden jumps GPS + Beidou Dual Chip - Ensures highly accurate speed readings with fast refresh rate and no delay Innovative Design - Includes sun shade for clear visibility even in direct sunlight Wired Operation - Reliable wired connection Rated Power: Compatible with standard vehicle power systems Product Size: 80 x 54 x 32 mm Output Frequency: Designed for GPS speedometer functionality in all vehicles Car Speedometer Function: Acts as an onboard computer for vehicle speed monitoring GPS HUD Display: Equipped with USB port for power Features: Large font display and compact design for easy installation and readability