Tune-Bot is an electronic digital drum tuner. What if you’re recording a song and the rest of the band is playing in Drop d? Sure you can adjust the drum heads and sure the producer can perform the post production magic. But if you want something a bit more surefire, you can toss this light-weight portable tool in your stick bad and get the job done. Features include: Pitch measurement, frequency & note modes, overtone filters, difference mode, 80 plus save slots, easy to read display with back-light, drum hoop clip, drum tuning charts & pitch recommendations.