Audio Output: Tone frequency varies with gradient field intensity 
Visual Indicator: Digital readout and bar graph indicate polarity and relative strength of magnetic field
Analog Output: Yes
Sensitivity: 4 settings
Input Power: Two 9V Batteries
Battery Life: 60 hrs (intermittent usage)
Battery Indicator: 4-segment LCD
Weight: ~ 2.6 lbs (1.18 kg)
Operating Temperature: -13°F to 140°F ( -25°C to 60°C)
Overall Length: 34.5 in (87.6 cm)
Waterproof Length: 21 in (53.3 cm)
Sensor Spacing: 14 in (35.6 cm)
Housing Material: Polycarbonate/ABS Blend