REED Instruments C-370 RTD Thermometer, -148 to 572&deg;F (-100 to 300&deg;C), Waterproof (IP67) Temperature Range: -148 to 572F (-100 to 300C) / Accuracy: 0.1% reading +0.8F (0.4C) Large, easy-to-read backlit LCD display Min/Max/Avg, Relative and Data hold functions IP67 rated waterproof housing Includes RTD probe and batteries