Thermocouple measurement range: K: -200 to 1372ºc (-328 to 2501ºf) rh Storage temperature and humidity: -10 to 60ºc (-4 to 140ºf); 0 to 80% rh Power: 9v nead1604, iec6f22, jis006p battery x 1pc Battery life: approx 200-hour Thermocouple connections: 2 miniature smp connections Overload indicator: ¡¡±ol¡¡l Dimensions: 38 h x 56 w x 130 mm l (1.5 x 2.2 x 5.1") Weight: approx 180 g (0.4 lb)