Description:          This guitar LCD chromatic tuner is small and lightweight,you can carry it along with your guitar,use it almost anywhere.          Powered by battery,it will turn off automatically when there is no operation in 5 minutes,which is power saving.          Accurate tuning device with wide tuning range,from Ao(27.5HZ) to C8(4186HZ).          The clip opening features anti-skip block,meanwhile makes the clamp not easy to harm guitar.          The case is made of strong and tough plastic,the tuner is long lasting and not easy to be damaged.                Specification:          Material: Plastic.          Color: Show as picture.          Size: 53.7*31mm.          Battery: 3V CR2032 Lithium battery.(Battery included)          Tuning range: 0A (27.50 hz) -8C (418 hz).          A4 frequency: 430-450 Hz.          Tuning accuracy: ± 1.                Note          There might be a bit color distortions due to different computer resolutions.          There might be a slight errors due to different hand measurement.                Package included:          1* Guitar tuner.(Battery included)