The first auto-on tuner of its kind in the world! It automatically powers on when you raise the tuner head, and automatically powers off when you lower the head. Additionally, the tuner will automatically power off after 5 minutes if no input signal is detected.

Specifications

• Tuning range: A0(27.5Hz) ~ C8(4186Hz)
• Tuning mode: Guitar
• Tuning precision: ±1cent
• A4 range: 440Hz
• Detection method: Clip
• Tuning method: Auto
• Power supply: 3V(CR2032) Lithium battery
• Dimensions: 53mm(L) x 35mm(W) x 27mm(H)
• Weight: 21g