Specifications:

Diameter: 66mm

Height: 25mm

Weight: 198 grams (210 grams for M2Pro Max)

Weight Submerged: 145 grams

Depth rating: 300 meter

Performance:

Transducer frequency: 1 MHz

Transducer Beam Angle: 22.5 Degrees

Minimum Altitude: 5cm

Maximum Altitude: 50 meters

Maximum velocity: 3.75 meters per second (8.5 MPH)

Velocity Resolution: 0.1 mm/s

Terrain Following Range: .5 meters to 50 Meters