Cherub WST-525 Tuner Quickly and easily tune your guitar with this tuner. In addition to guitars, the device is particularly suitable for violins, ukuleles and bass guitars. The handy clip-on system has rubber holders that help protect your paint during tuning. Specifications: Product type: WST-525 Color: silver Gender: junior, unisex Material: plastic Dimensions: 67 x 37 x 31 mm (L x W x D) Tuner type: electronic, automatic Suitable for: guitars, violins, ukuleles (type C and D), bass guitars A4 range: 430 to 450 Hz Tuning range: 27.5 to 4186 Hz Tuning precision: +/- 1% Response time: 20 ms Mounting type: clip-on Manual language: English, Chinese Power supply: 1x 3V CR2032 battery (included) Weight: 30 grams Contents: 1 Tuner 1 Battery 1 Manual