SAVE £5! This automatic chromatic tuner is suitable for all kinds of musical instruments, but especially for string instruments The clip may be rotated up to 360 degrees allowing the tuner to be viewed from any angle. The red LEDs flash more quickly the farther out of tune a tone becomes Tuning range 55Hz - 4166Hz, Pitch shift A=440Hz, Power 3V Dimensions: 48mm x 60mm x 25mm, Weight <45g