Check the listing for details. JOWOOM Automatic Guitars Ukulele Tuner Rechargeable Electric String Winder H0V0. Color: Black, Condition: New. Listed at 54.29 USD. Features: Tuner + String Winder: 2-in-1 multi-functional string instrument tool for string instrument players. It makes guitar or ukulele tuning easier, more -saving and convenient to use. A have for beginners or professionals. 3 Tuning Modes Switchable: Supports auto tuning mode, semi auto tuning mode and custom tuning mode (for acoustic guitar only), different modes designed for optimized tuning experience, which can satisfy all your guitar/ ukulele tuning needs. Wide of Use: Suitable for acoustic guitar, guitar, electric guitar (guitar-- 6E, 5A, 4D, 3G, 2B, 1E), ukulele (4G/ , 3C, 2E, 1A) and chromatic tuning (C, C#, D, D#, E, F, F#, G, G#, A, A#, B), and with colorful LCD display showing the level, string number, target , distance (Lo/ Hi), etc.. Easy-to-Use String Winder: and easy wingding, just press the UP/ button, then you can tighten or loosen the strings quickly, save and energy; direction indicators allow you to confirm the wingding direction easily; with easy-to-plug peg connector, suitable for different tuning pegs. Strong Endurance & : Built-in 2600mA lithium , which can be recharged by the included USB cable, and the indicator let you know the current capacity. Specifications: Color: Black Tuning Mode: Auto, Semi-auto, Custom (for acoustic guitar only) Guitar: 6E, 5A, 4D, 3G, 2B, 1E Ukulele: 4G/ , 3C, 2E, 1A Chromatic: C, C#, D, D#, E, F, F#, G, G#, A, A#, B : 1 * 3. 2600mA Rechargeable Lithium : 2H Cable: Micro USB 5pin 5.2V 1.0A Current: stand by 16mA, motor tuning 250mA Item Size: 11 * 9 * 3.6cm/ 4.3 * 3.5 * 1.4in Item Weight: 213g/ 7.5oz Package Size: 16.2 * 13 * 5cm/ 6.4 * 5.1 * 2in Package Weight: 328g/ 11.6oz Note: The guitar showed in the picture is not included. Package List: I4864 1 * Tuner 1 * Peg Connector 1 * USB Cable 1 * User Guide(English)