Distance Meter, Measuring Range - Maximum 40 m, Measuring Range - Minimum 1/4 m, Accuracy 2 mm, Battery Size AAA, Connectivity Bluetooth, Display Type LCD, Includes Warranty Card, Includes Batteries Batteries Included, Beam Color Red, Measuring Units Feet, Inches, Meters, Number of Values Stored 0, System of Measurement Metric/SAE, Color Red, Features 2-Line Memory, Bluetooth, Tracking, Functions Area Measurement, Class Class 2, Wavelength 636 nm