memory Programmable emissivity Auto Power off Specifications Battery: 2V, type CR2032 x 1 pc Measurement range: -7 to 230°F (-22 to 100°C) Fixed emissivity is precisely set at 0.95 Accuracy: ±1°C between 15 and 40°C, ±1.5°C elsewhere Field of View: 1:1 Display Size: 23 x 14mm Product Size: 48 x 70 x 20mm