Mint and only used to tune one kit. Less that an hour of usage.
This little thing is pretty incredible!
Info from the manufacturer:
Tune-Bot STUDIO Electronic Drum Tuning Device
Overtone labs introduces the tune-bot STUDIO. This second generation device is similar in function to the original tune-bot, but with several notable improvements:
Increased accuracy
New higher-frequency range - better for tuning snare drums
More intuitive pitch savings for up to 5 drum sets with up to 10 drums each
New 4-color display and keypad for simpler operation
Attractive functional shape with rubberized black finish for improved grip
Plastic case sturdy enough for drummer’s hardware case or stick bag