Digital car thermometer with clear LCD display — shows temperature in Celsius for both inside and outside the vehicle, so you always know cabin and outside conditions at a glance. Blue backlight improves visibility in low light or at night. Key benefits Quick, reliable readout: See inside and outside temperature on a single digital LCD screen for better comfort and safety decisions. Simple plug-and-play use: Just insert into your car’s cigarette lighter/charger socket — no setup, wiring, or installation required. Better visibility in any light: The blue backlight keeps the display readable day or night. Clean, integrated look: Sleek black shell blends with most dashboards and adds a discreet, functional accent to your interior. What it does and why it matters Helps you decide whether to preheat or cool the cabin before driving. Gives immediate outside-temperature awareness for winter driving decisions about ice or frost. Lets you confirm cabin temperature before placing children, pets, or temperature-sensitive items in the car. Compatibility and use Designed for use with a vehicle cigarette lighter/charger socket; ready for everyday use without complicated setup. Compact, unobtrusive housing that complements most car interiors. Practical use scenarios Morning commute: Check outside temperature quickly to judge road conditions and whether to defrost windows. Hot summer afternoons: Verify interior temperature before getting in so you can ventilate or cool the car first. Family and errands: Confirm cabin temperature before placing children, pets, or groceries inside for safer handling. Simple, dependable, and user-friendly — an easy way to keep temperature information visible and accessible while driving.