1、Indicator Light: The multifunction indicator light reminder function is simple and practical. In the calibration mode, the low tone, the pitch and the pitch display light are on, and the beat indication is in the beat mode. 2、Large LCD Display: The Guzheng tuner has a large LCD display with large visual angle, which can clearly display any state of the digital metronome, and all the dynamics can be mastered. 3、With A Support Frame: The Guzheng tuner is designed with a support frame, which is foldable, stable and easy to use, giving you the best angle to display the large screen status. 4、Plastic Material: The guzheng tuner is made of plastic material, which is not easy to crack, safe and environmentally friendly. 5、Soft Bottom Buttons: The MT 70B Guzheng tuner adopts plastic soft bottom buttons, which are comfortable and flexible. Item Type: Guzheng Tuner Product Material: Plastic Weight: Approx. 128g / 4.5oz Battery Type: Two AAA Batteries Are Required (Delivered With Matching Batteries) Battery Capacity: 1600mAh 1 x Guzheng Tuner 1 x Pick Up Clip 2 x AAA Battery 1 x Manual