SNARK Hz - Clip on Guitar and Bass Tuner. Choose between a standard tuning mode or Hertz frequency tuning mode, both options tune with astonishing accuracy aided by Snarks new super fast software. Bright new high definition, full colour LCD display. Hertz frequency up to 329.6Hz. View display from any angle with the unbreakable clamp. Tuned by vibration. Power save and auto off feature. CR2032 battery included. Smart black and white finish. Note: With every display box of 10 pcs you will receive 4 free Snark drink coasters for a limited time.