BonJour's Chef's Laser Probe Combo combines infrared technology to quickly measure both surface temperatures and the internal temperature of meats with its easy to use swivel probe. Chef's Laser Thermometer including: laser target aim, instant temperature readout, ergonomic one-handed operation and backlit display! Also includes handy surface temperature and internal temperature reference guides. Measures temperatures from -76 to 932°F. 2 'AA' batteries included.