Compact size that preserves your view and dashboard space At 77 x 53 x 28 mm, this digital speedometer installs discreetly on your dashboard without blocking sightlines or taking up valuable space. Ideal when you need vehicle information visible but unobtrusive. Active speed safety alert When you exceed a preset maximum speed, the device automatically blinks to alert you. This immediate visual warning helps you stay within limits and reduces the chance of unintentional speeding. Automatic brightness for any lighting condition A builtin light sensor adjusts display brightness according to external light levels. The screen stays readable in daylight and reduces glare at night for safer, more comfortable driving. Simple function, reliable performance Designed as a focused digital speedometer, it delivers clear speed readout and automatic alerts without extra complexity. The compact form factor makes it easy to position where you need it most. Practical use scenarios City commuting: Place the unit on a compact dashboard to get a clear speed readout and an immediate blink alert when you cross a preset limit during dense urban driving. Night or lowlight driving: Automatic brightness control keeps the display readable without causing glare, helping maintain night vision and reducing distractions. Shared or multidriver vehicles: Use the preset speed alert to help multiple drivers maintain consistent speed limits and improve overall trip safety. What you should know Size: 77 x 53 x 28 mm, made to be discreet and easy to position in most vehicle interiors. Core functions: digital speed readout, preset maximum speed blinking alert, and ambient light–based automatic brightness adjustment. This device offers a straightforward, spacesaving way to monitor speed and receive immediate visual alerts while maintaining display readability in varying light conditions.