Measurement temperature range (℃): 0 to 500 Temperature minimum display (℃): 1 Power supply (V): 1 x 9V dry battery Power supply: 1 x 9V dry battery Emissivity (%): 0.7/0.95 Distance to measurement range ratio (D vs S): 15 to 1 Dimensions (mm): 160 x 44 x 42