<p>Features:</p> <p>* Tuning items: chromatic, guitar, bass, violin, ukulele.</p> <p>* Classic clip-on design, makes it easy to tune with one hand.</p> <p>* One-button operation, easy and convenient to use.</p> <p>* LCD screen with 2-color backlight: Green-in tune, White-out of tune.</p> <p>* Mini-size body, lightweight and portable, convenient compatible with storage.</p> <p>Specifications:</p> <p>Model: T-02</p> <p>Material: ABS</p> <p>Color: Black</p> <p>A4 Frequency: 440Hz</p> <p>Power Supply: 1 * 3V CR2032 Battery (not included)</p> <p>Tuning Accuracy: 0.5 cent</p> <p>Item Size: 32 * 47 * 50mm \/ 1.26 * 1.85 * 1.97in</p> <p>Item Weight: 23g \/ 0.81oz</p> <p>Package Size: 7.8 * 4.3 * 3.4cm \/ 3.07 * 1.69 * 1.34in</p> <p>Package Weight: 29g \/ 1.02oz</p> <p>Package List:</p> <p>1 * Guitar TunerProducts from He Wei's store</p>