🎸 Tune in, stand out! Comes with a CR2032 battery included, so you can start tuning right away! Enjoy a full-color display that’s easy to read from any angle. Calibrate your tuner from 430 to 450Hz for ultimate flexibility. Weighing only 40.8g, it’s the perfect travel companion for musicians. Experience quick, accurate tuning that keeps you in perfect pitch. Quick tuning Limitless angles Battery included The Planet Waves PW-CT-17BK Eclipse Headstock Tuner is a lightweight, portable tuner designed for musicians who demand precision and convenience. With a vibrant full-color display and limitless viewing angles, it ensures you can tune your instrument accurately and effortlessly. The tuner is calibrated from 430 to 450Hz and comes with a CR2032 battery included, making it ready to use right out of the box.