Lt-2, technical parameters:, 1.Temperature range:-50~+300 (-58¡§h ~+572¡§h ), 2.Distinguishing rate: 0.1¡ê¡§&161;¨¹100¡ê&169;¡ê0.5¡ê¡§¡ê&190;100¡ê&169;, 3.Accuracy: (0~60)&161;¨¤1, &161;¨¤5(other range), 4.Power voltage:dc 1.5v, 7alkaline battery, , functions:, 1. Max.Min.Temperature memory;, 2.Max.Min.Temperature setting and alarm;, 3.Data holding;, 4.Switch between and ¡§h .