・ Manufacturer: Yamaha (YAMAHA) ・ Dimensions: 56mm (W) x 31mm (D) x 32mm (H) (including clip) ・ Weight: 28g ・ A small and easy-to-use LCD clip-on tuner. The display turns green when in tune (see photo). ・ Four modes: guitar, bass, ukulele, and chromatic. Easy-to-read LCD display, even on a dark stage. ・ Auto power off I chose this reliable Yamaha clip tuner. I think it's easy to use for beginners. Auto power off is convenient.