Strum, check, tune, play. This makes it easy, as you can see which string is out (hit: it's always the G) and then tune accordingly. Nice big clear display, true bypass... it just works.

Model: TC Electronic Polytune 2
Made: Thailand, recent model (serial 13726944)
Type: tuner
Power: standard 9v negative supply or 9v battery
Equivalent new street price (approx): $189
Mods: none
Accessories: original box and manual
Condition: few minor marks and some velcro marks on the bottom, nothing nasty. Overall: very good condition