Rowin Mini Chromatic Guitar Tuner Pedal High Precision Tuner Pedal Led Display

Features:
New super fast precise strobe mode with /- 0.1 cent accuracy.
Chromatic which is suitable for wide range tuning.
Deluxe LCD display leads clear results of tuning.
True bypass, improved analog circuit, real signal, no loss of tune.
Specification:
Tonal Range: 12Hz~4186Hz (C8)
Input: 1/4″Monaural Jack (Impedance: 100K Ohms)
Output: 1/4″Monaural Jack (Impedance: 0 Ohms)
Working Current: 90mA
Power Supply: DC 9V (Plug polarity is Positive on the barrel and negative in the center)
Package Size: 12 x 7x 6cm/ 4.7 x 2.8 x 2.4in
Package Weight: 290g / 10.2oz
Note:
Power adapter is not included.
Please use the 9V power adapter whose polarity is positive pole outside and negative pole inside. Otherwise, the product may not work properly.
Package Includes:
1 x Guitar Tuner Pedal
1 x User Manual(English)