160 x 120 resolution. 320 x 240 resolution. 2.4'' LCD screen. Built-in rechargeable lithium ion battery. Up to 8 hours of continuous operation. D: S = 75: 1 thermometry, a circular target with a diameter of 1 cm can be accurately measured within a distance of 75 cm. Rules: 3 thermometry points: Max. Temperature; Min. Temperature; Central temperature. Thermometry range: -20° C to 550° C (-4° F to 1022° F). Thermometry accuracy: max. (± 2° C, ± 2%).