TubeNet

This goes as far as I can (pedal Eb/D, as in an octave below Prokofiev 5 low Eb)

https://www.korg.com/us/products/tuners/tm_60/" target="_blank

TM-60 is just a great tool in general. And it uses AAA batteries and likes rechargeable ones. My other tuner is a slimline Yamaha that works great also, but it also uses those lithium coin batteries.