EHX’s clip-on features six tuning modes - chromatic, guitar, bass, violin, ukulele C and D - utilising a “bright, easy-to-read” LCD display.
The tuning range spans A 0 (27.5Hz)-C 8 (4186.0Hz), while there’s the choice of 430Hz-450Hz calibration and two flat tunings.
Otherwise, you get non-marking pads, and the whole lot is powered by an included 3V CR2032 battery.
There’s no accuracy listed for the tuner, which is a slight worry, but given the $15 price tag, you can hardly complain.
Head over to EHX for more info.