Product Features: Dual functionality as a tuner and metronome, ideal for beginners. Compact and elegant design, perfect for easy portability. Offers dual signal pick-up options: built-in microphone or pickup cable. Equipped with a super bright backlight and a 5.2 x 2.6 cm LCD display for outstanding visibility. Includes a stand holder on the back for stable placement on flat surfaces. Powered by 2 AAA batteries (batteries not included). Automatic power-off after 3 minutes of inactivity to conserve battery life. Versatile tuning capabilities for guitar, chromatic, bass, violin, and ukulele instruments. Specifications: Tuning Mode: Chromatic, guitar, bass, violin, ukulele Pitch Range: 430-450Hz Tempo Accuracy: ±0.5% Tempo Range: 30-260 beats per minute (bpm) Beat Options: 0 to 9 Rhythm Variants: 9 types Signal Pickup: Microphone or Pickup cable Power: 2 AAA batteries (not included) Display Dimensions: Approx. 5.2 x 2.6 cm / 2 x 1 inches Product Weight: 65g / 2.3oz Package Size: 19 x 13 x 1.8 cm / 7.5 x 5.1 x 0.7 inches Package Weight: 121g / 4.3oz Note: The guitar displayed in the product images is not included. Package Includes: 1 Electronic Tuner 1 Pickup