What's in the box:

Piano Mechanical Metronome Antique Metronome Pendulum Mecanico Universal for Piano Guitar Violin Musical (Blue)

Practice tool to produce regular, metrical beat to help you play rhythms accurately. Improve your sense of beat and tempo.

Features:
The mechanical metronome uses a winding mechanism for power to produce metrical beat.
Produce a clear and loud sound for use when practicing piano, violin, guitar, bass, drums and other musical instruments.
The pendulum offers great visual tempo cues which makes it for beginners learning difficult passages.
High flame retardant steel movement, corrosion resistance, oxidation resistance, long-term use without calibration.
Clockwork adopt aviation grade spring steel, after ten thousand times the test, non-elastic changes, resistance to metal fatigue.

Specifications:
Color: black, blue, pink (optional)
Case material: ABS
Tempo: 40-208bps
Beat: 0,2,3,4,6
Item size: 203 * 105 * 100mm / 8.0 * 4.1 * 3.9in
Item weight: 470g / 1.0lb
Package size: 240 * 130 * 130mm / 9.4 * 5.1 * 5.1in
Package weight: 585g / 1.3lb

Packing List:
1 * Metronome
1 * User Manual