The ENO ET-33 is a professional and practical mini digital LCD guitar tuner, which features a super-bright, multi-colored LCD screen that is easily visible while attached to the instrument’s headstock in any lighting situation. Screen color changes to green when correct tuning has been reached, allowing quick and accurate tuning . The tuner has separate settings for , Guitar, Bass, Violin, Ukulele, and can be about 440Hz operation. The ET-33 can be attached easily to any stringed instrument and also tilts and swivels for easy viewing from any angle. Features - Brand: TINKSKY. - Model: ENO ET-33. - - Shell material: durable hard plastic. - Dimension: about 45 x 41 x 30 mm. - and Mini Clip-on Digital LCD Guitar Bass Violin Ukulele Tuner. - Great way for you to tune either your guitar, bass, violin, ukulele or with ease. - Works on mechanical vibration sensor, allowing accurate tuning in noisy environments. - It also comes with a setting giving it a tuning range. - The clip has been designed to allow the tuner to turn by 360 degrees. - It also has a backlight, for easy to read. - It will auto shut down after 3 minutes when not in use, for saving power. Specifications - Tuning mode: Auto. - Tuning items: , Guitar, Bass, Violin, Ukulele - A4 frequency: 440Hz. - Tuning range: A0(27.5Hz)-A6(1760Hz). - Power supply: 1 * lithium battery (not included). Notices 1. Avoid rough handling and heavy operation. 2. Please use clean and fiber to maintain the machine, no use of water or chemical liquid. 3. When the display is not clear, change the battery with a new one. 4. Please take the battery out when not use for a long time. Package list: 1 * TINKSKY ENO ET-33 Mini Clip-on Digital LCD Guitar Bass Violin Ukulele Tuner (Black)