BOSS TU-12 Made in Japan Chromatic tuner with digital processing and adjustable pitch. - Brand: BOSS - Model: TU-12 - Type: Chromatic Tuner - Pitch Adjustment: Yes - Battery Level Indicator: Yes Operation confirmed with 9v DC adapter. Please refrain from purchasing if you are sensitive to used items due to personal storage. Please check the condition in the photos. This item is also listed on other sites, and may be removed if sold elsewhere. Thank you for your understanding.