WST-550G Guitar Mate - especially for tuning electric and acoustic guitars.

• Auto LED tuner
• 180° clip-on design
• Tuning mode: Clip (vibration)
• Vibration sensor allows accurate tuning in noisy environments.
• Auto-Detect Function indicates note name.
• Easy-to-read LEDs show you which way to tune.
• Tuning scale: Electric guitar, Acoustic guitar
• Tuning range: A2 (65.40 Hz) - A4 (445 Hz)
• Calibration: A4 = 440 Hz
• Power: (3V)  1x CR2032 lithium battery (inclusive)
• Auto-Off feature increases battery life.
• Dimension: ca. 78(L) ×48(W) ×45(H) mm
• Weight: ca. 20 g
• Colour: black