Guitar Tuner Full Color Display Electronic Digital & Chromatic Clip On Tuner for Guitar, Bass and Violin Lovers(Guitar tunner-White) EASY TO OPERATE: Small size with only one button control all things, very easy to use. PROFESSIONAL: High precise detection and sensitive vibration clip. with high precision,high sensitivity and fast tuning measuring ways, this tuner can be used in a noisy environment. sensitive vibrator can make sure your instrument exactly tuning in a fast speed. LARGE SCREEN: can be easily read with large bright screen (38% greater view), especially for dark environment. FLEXIBLE: 360 degree rotational lcd screen - multi-angle view rotational clip design. Adjustable ratchet mechanism and reversible screen allows for placement on front or back of headstock. WARRANTY AND AFTER-SALE SERVICE: Our Entil Guitar Tuner provides a 18 Months no worry Warranty. If you have any problems, pls contact us at any time.