Description: High sensitive vibration tuner with fast responds which ignores the background noise ideal for loud chaotic environment. With super clear LCD display (38% greater view) it can rotates 360 degree for easy viewing from any angle. It will automatically power off when there is no operation in 5 minutes. Compact design with solid construction ensures no interrupting in use. Featuring high-quality ABS material this tuner is durable and environment-friendly. The long of it is 4 cm the wide is 3 cm the height is 5 cm. It is suitable for guitar ukulele violin bass etc. Item Name: Guitar Tuner Material:ABS Batteries: 1 x Button Battery (Included) Size:6.8cmx5.7cmx3cm/2.68inx2.24inx1.18in Notes: Due to the light and screen setting difference the item s color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 X Tuner 1 X Button Battery 1 X User Manual