Features:
2 functions in 1 portable device， metronome and tone generator mode， universal for all kinds of instruments.
Clear LCD display and LED light， with on/off， rhythm and beat button， easy for operation.
0~9 beat， 6 kinds of rhythm， 440Hz tone generator， built-in speaker.
Turning dial to set up tempo(30~250bpm) or note(A0~C8).
Volume control， 3.5mm earphone jack， 9V DC jack， with a back bracket.
Powered by 9V(6F22) battery(not included) or 9V DC adaptor(not included).
Perfect for player to control the rhythm and keep better performance.

Specifications:
Color: Black
A4: 440Hz
Earphone Jack Dimension: 3.5mm
Tempo Range: 30~250 Bpm
Beat: 0~9
Power Supply: 1 * 9V(6F22) Battery(Not Included) or DC 9V Adaptor(Not Included)
Item Size: 11 * 6.5 * 2.5cm / 4.3 * 2.6 * 1.0in
Item Weight: 79g /2.8oz
Package Size: 13 * 7 * 3cm / 5.1 * 2.7 * 1.2in
Package Weight: 95g / 3.4oz

Package List:
1 * Metronome Tuner
1 * User's Manual(Chinese / English)

Note:
The guitar is not included.