Pocket Multiparameter Meter Kit, pH Range 0.00 to 14.00, ORP Range -1000 to 1000mV, Waterproof IP57, Automatic Temperature Compensation Yes, Operating Temp. Range (F) 32 Degrees to 122 Degrees, Operating Temp. Range (C) 0 Degrees to 50 Degrees, Display LCD, Auto Power Off Auto Power Off, Temperature Compensation Range 32 Degrees to 194 Degrees F (0 Degrees to 90 Degrees C), Power Source AAA Batteries, Includes (4) AAA Batteries, Buffer Solutions pH 4 and 7, Carrying Case, Soaking Solution. This item has been restricted from sale in the following state (s): []