Model Number: SX-HT-200 Brand Name: SX Key Specifications/Special Features: 1.Automatic data hold and auto power off2.Set min, max, lock3.Low battery indication4..Range: -20 - 220°C (-4 - 428°F)5.Resolution: 0.1°C/°F6.Accuracy: +2% or +2°C /+4°F7.Response time: less than 1 second8.Optical resolution: 1:19.Emissivity: fixed at 0.9510.Battery: one CR2032 button battery