Musedo MT-31V chromatic violin tuner metronome tone generator batteries pickup

Musedo violin tuner/metronome/tone gerenator model MT-31V featuring:

3 operational modes:
Tuner Mode
Tuning range: A0(27.5Hz) - A3(1760Hz)
Settings: Chromatic (Automatic tuning) or Manual Tuning
Built in Microphone
Line in Input
Piezo Pickup Included
Calibration A4: 435-445Hz
Violin Tuning Notes - Set to four Open Strings on Violin G-D-A-E
Precision +/-2cents
Tone Generator
Chromatic notes sounding range: 2A-6A Including the four Open Violin Strings G-D-A-E
Tone Generator Accuracy+/- 0.5cent
Metronome
Tempo Range: 30-230pbm (Beats per Minute - Increasing/Decreasing in 1 bpm Increments)
Rhythmic Beating: 8 Different Rhythms including: Crotchets/Quavers/Semiquavers/Triplets/Hook Stroke
Beats Per Bar: 0,1,2,3,4,5,6,7,9
Specifications
Power: 3V (2 X AAA BAteries Included)
Piezo Pickup Included
Volume Dial on Side of Unit
Front Facing Speaker 
Fold out Display Stand
Operating Instructions included in Clam Shell Packaging
Dimensions: 110(W) X 70(H) X 15(D)mm
Weight: 90g
Colour: Black