Black-housed in-car temperature display that plugs into your vehicle’s cigarette lighter. Measures and shows both interior and outside temperatures. Designed for use with 12V vehicles. Key benefits Instant temperature readouts: see cabin and outside temperature at a glance so you can adjust heating or air conditioning quickly. No separate batteries required: draws power directly from the cigarette lighter for continuous operation while driving. Neat, integrated look: the black housing complements most vehicle interiors without drawing attention. Practical for safety and comfort: helps you assess road conditions (frost/ice risk) and maintain a comfortable environment for passengers and pets. What it does Measures and displays temperature inside the vehicle and outside the vehicle. Connects directly to the car’s cigarette lighter socket for power. Compatible with any 12V vehicle. Important attributes Function: dual temperature measurement and display (interior and exterior). Compatibility: works with 12V cigarette lighter sockets in cars, trucks, and similar vehicles. Housing: black finish designed to integrate with vehicle interiors. Power: powered via cigarette lighter connection — no additional power source required. Performance: provides continuous temperature monitoring while connected. Use scenarios Parents traveling with infants: monitor cabin temperature to keep the child comfortable and avoid overheating or excessive cooling. Winter driving: check outside temperature before and during a trip to evaluate potential ice hazards and adjust driving or route decisions. Long drives or commercial use: keep track of cabin and outside conditions to manage driver comfort, cargo sensitivity to temperature, or HVAC settings. Simple setup and use Plug into the cigarette lighter socket and read interior and exterior temperatures on the display. Works with any vehicle that has a 12V power outlet.