Precision tuning for electric and acoustic guitars, basses, banjos, mandolins, and more. Extra large LCD display can be seen from across the room. Screen changes from red to green color when perfect tune is reached. Acoustic tuning using built-in-mic or vibration-sensing tuning using included clip-on sensor on 3-foot cable. Rubberized housing is durable, scratch-resistant and slip proof. Includes 2 AA batteries. 

• Precision tuning for electric and acoustic guitars, basses, banjos, mandolins, and more
• Extra large LCD display can be seen from across the room
• Screen changes from red to green color when perfect tune is reached
• acoustic tuning using built-in-mic or vibration-sensing tuning using included clip-on sensor on 3-foot cable
• Rubberized housing is durable, scratch-resistant and slip proof. Includes 2 AA batteries