4 Brand EQ PRE-AMP Equalizer Pickup Tuner For Acoustic Guitar Active no battery

Item 100% like the picture shown
Control Range:
Bass:+/-12dB at 80Hz
Middle:+/-12dB at 800Hz
Treble:+/-12dB at 3KHz
Presence:+/-12dB at 15Hz
Tuner Function: Auto Chromatic Tuning
Tuner Off: 700Hours
Tuner On With Signal :40Hours
Power Supply:9V Alkaline Battery
Low Battery Check LED pick-up:OMEGA-II (Piezo Cable Pick-up)
Package included:
Shown as pictures.
(Kindly remind that : Battery is not included. Battery is not allowed in Air transportation.)