Clip-on tuner with ultra-high precision. The Sledgehammer Custom 100 provides an amazing battery life of approximately 100 hours using only one AAA battery. The easy-to-use shuttle switch is now equipped with an illuminated shuttle light for even better visibility. In addition to a 3D visual meter, you can also use professional ultra-high precision tuning with an accuracy of +/- 0,1 cents. It's the ultimate high-spec clip-type tuner. The 3D visual meter exemplifies the Custom Shop series. A large and easily visible note name indication and the distinct movement of brightly illuminated LEDs make the pitch difference and change instantly recognizable. This new 3D visual meter makes it simple to tune with a precision of +/- 0,1 cent. - One AAA battery included - Dimensions: 64 x 49 x 66 mm - Weight: 37 g.