Planet Waves Prowinder Tuner Details;

The Planet Waves Pro-Winder is the ultimate 5-in-1 guitar tool. The tuner combines a dual-mode strobe/sweep chromatic tuner with Planet Waves' indispensible Pro-Winder multi-tool

• Strobe Mode - the note played lights up in green.Red LEDs chase around the rotary display.
As you tune, they slow down. When the red LEDs stop spinning, you are in tune.
• Sweep Mode – the note played lights up in green. A red LED will appear to the left of the green LED if flat; to the right ifsharp. When only the green LED is lit, you’re in tune.
• Tuner may be calibrated from A435-A445
• Multi-tool features: winder, cutter, string stretcher, and bridge pin puller.
• Runs on one CR2032 lithium battery (included
• Accurate to +/- 3 cents