Features:
Worked as Tuner & Metronome, good helper for novice.
Small and exquisite appearance, it is convenient to carry.
Two ways to pick up signal, with built-in mic or pickup cable.
Super bright backlight, LCD display(5.2 * 2.6cm), it can provide excellent visibility.
With a holder on back, it is easy to stand on the flat.
Powered by 2 * AAA batteries (NOT INCLUDED).
Auto power off function, the device will turn off automatically if there is no signal present or operation in 3mins.
It can be used for the tuning of guitar, chromatic, bass, violin and ukulele.

Specifications:
Tuning mode: Chromatic, guitar, bass, violin, ukulele
Pitch: 430-450Hz
Tempo precision: ±0.5%
Tempo range: 30-260bpm
Beat: 0,1,2,3,4,5,6,7,8,9
Rhythm: 9 types
Tuning mode: Mic, Pickup cable
Power: 2 * AAA batteries (not included)
Display size: Approx.5.2 * 2.6cm / 2 * 1in
Product weight: 65g / 2.3oz
Package size: 19 * 13 * 1.8cm / 7.5 * 5.1 * 0.7in
Package weight: 121g / 4.3oz

Note:
The guitar showed on the picture in not included.

Package List: I545
1 * Electronic Tuner
1 * Pickup