SAMSON Samson CM-40 Chromatic Tuner/ Metronome Automatic Digital Tuner  (Chromatic: Yes, Silver)

Full color LCD display and LED indicators Tone (manual) and Tuner (automatic) tuning modes Built-in mic for precise tuning Transposition setting Real-time response for tuning accuracy Pitch calibration ranges from A430-450Hz Metronome ranges from 30-250bpm Ten Beat settings, each with nine Rhythm sub-settings Dynamic speaker with volume control 1/4" input and output connectors 1/8" headphone jack Built-in kickstand for better viewing Powered by two AAA batteries (included) Auto Off function for maximum battery life