Features:LCD white and green screen to indicate operational condition. More accurate, high sensitive and wide tuning range. 360-degree rotation for flexible using. Clip designed to attach to instrument. Power-saving mode: smart sleep after 3 minutes with no play. Hide behind the guitar neck, concealing it from audience. For guitar, ba, ukulele,chromaticand violin. Lightweight, mini-sized, compact and convenient to carry. Specifications: Material: Plastic Colors: Black Model: JT-306 Fit:For guitar, ba, ukulele,chromatic and violin Tuning Range:A0(27.50Hz)--C8(4186Hz) Calibration:410-450Hz(1Hz Steps) Power: A 3V-CR2032 Lithium Battery(not included)Item Size: 4.5 * 2.8 * 4cm / 1.8 * 1.1 * 1.6in Item Weight: 17g /0.6oz Package Size: 5 * 3.5 * 4.2cm / 2 * 1.4 * 1.7in Package Weight: 30g / 1ozPackage List:1 * LCD Tuner 1 * User Manual (English & Chinese) International Buyers - Please Note: 1) Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer's responsibility. 2) Please check with your country's customs office to determine what these additional costs will be prior to buying. 3) Please follow our return policy, if you do not satisfied with the item, or the item you received have any quality problem, please contact us first.