With this infrared thermometer from Ooni, you'll know exactly when your pizza stone is ready to bake the perfect bottom! The thermometer with laser pointer measures the temperature of the stone in your Ooni pizza oven within seconds. You simply point the laser pointer at the center of the pizza stone and the temperature appears in the display. Aim for around 400°C for the perfect pizza. The thermometer is adjustable to both Celsius and Fahrenheit and has a temperature range of -30°C / -22°F to 550°C / 999°F.