D'Addario Accessories Violin Tuner - Violin Accessories - Violin Clip On Tuner - Digital Violin Tuner - Padded Mount, Non Marring - Full Color LCD Display - Accurate & Easy to UseEXTREME ACCURACY The NS Micro Violin Tuner features an extremely accurate piezo transducer that picks up an instrument's vibration rather than sound. A wide calibration range (410 480Hz) guarantees precise performance. VIOLIN TUNER CLIP ON Features a non marring, lever lock clamp that holds the tuner securely to the instrument while allowing easy application and removal. LCD SCREEN Tri color reversible backlit LCD screen makes it easy to tune in dark