High quality Capit digital thermometer has built-in sensor and laser pointer to measure tire temperature accurately. It can be used on any surface up to 400°C . Excellent for the measurement of asphalt, engine, brakes, etc.. A very useful product in the racing environment. The main technical features are: Backlit LCD display for easy temperature reading, Laser indication functions and battery level indication Temperature range -50+400°C Unit selection °C/°F Distance-to-Spot Ratio: 12:1 Accuracy: ± 2% or ± 2 ℃ Emissivity: 0.95 preset Response Time: