Waterproof. Measuring range -50 to +300°C / -58 to +572°F, accuracy ± 1°C until 150°C above ± 2°C. With hold function and Max/Min function. Penetration probe made of stainless steel, 140 x 3.5mm with 1m cable and handle. With battery 1 x 1.5V AAA. Overall dimensions (L x W): 140 x 75mm.