The AIR-90 simultaneously displays infrared and probe temperature readings. This unit offers non-contact measurement of surfaces with its built-in infrared sensor and core temperature measurement with its fold away penetration probe. The probe adjusts through 180 allowing the user to select the angle of measurement. Ideal for food preparation and food service applications. -35C to 330C x 0.1 (Infrared) -20C to 260C x 0.1 (Probe) User selectable units C or F Infrared response time - less than 250 milliseconds Distance to spot size ratio is 4 to 1 at the focal point Adjustable emissivity from 0.1 to 1.0 108mm x 3.5mm stainless steel probe with thermistor sensor Probe is adjustable through 180 30mm LCD display with simultaneous display of IR and probe temperatures Data hold Min/max/hold and Lock for infrared temperature readings Over Range indication Auto power off after approx. 3 minutes of no activity Low battery indication Supplied with battery