Features:
Large display, high sensitivity, with descending function (4 semitones can be lowered).
Double display modes -- Normal display and Strobe display; press the FLAT/DISP to change the tuning mode display.
Advance Tuning feature , A4 frequency 435-445Hz. 4 flat tuning -- b, bb, bbb, bbbb.
Made of alloy, the pedal is and of a size.
Rubber pads on the backside is -skid, which enhances the stability and avoids friction.

Specifications:
Type: TUNER
Color: black
Tuning Mode: chromatic
Tuning : A0(27.5)~C8(4186Hz)
A4 : 435~445Hz
Tuning : ±1 cent
Detection Method: Audio Signal Input
Display Mode:
Tuning Method: Auto
: 9V
Item Size: 9.2 * 4.1 * 3.4cm / 3.62 * 1.61 * 1.34in
Item Weight: 166g / 5.85oz
Package Size: 10 * 6.5 * 6cm / 3.94 * 2.56 * 2.36in
Package Weight: 197g / 6.95oz

Package List: I4495
1 * pedal
1 * user manual