One year accuracy to ± 0.012°C System accuracy with STS Series temperature sensors to ± 0.04°C Wide Temperature Range of -200 to 2500°C (-328 to 4532°F) Resolution to 0.001°C Wide selection of sensors (straight, 90°, cabled, etc.) to fit your application Useful features like hold, and min / max Power with a single 9V battery, or external 9V supply