Package Include:1 x Mini Tuner1 x User's ManualSpecifications:Features:- Turning 360 degree freely.- Adjustable view angle.- Super anti-interference.- Handy compact digital clip-on style.- Tuner picks up the sound by vibration.- Easy to clip onto any stringed instrument.- Sensitive and stable.- Tuning Pitch Indicator Light: Low: Indicator to the left and LCD screen turns white; High: Indicator to the right and LCD screen turns white; In tune: Indicator to the middle and LCD screen turns green.Product Name: LCD Digital Guitar TunerPickup Mode: Folding on the instrument for vibrating pickupTuning Mode: Tuning automatically.Tuning Items: Guitar / Bass / Violin / Ukulele / Twelve-tone equal temperamentA4 Frequency: 440HzTuning Range: A0(27.5HZ)-A6(1760Hz)Power Supply: CR2032 cell button battery(include)Color: BlackItem Size: 3.5 x 4.8 x 5.4cm / 1.37 x 1.88 x 2.12inchNet Weight: 22g / 0.04lb / 0.77oz