The Donner DT-1 Chromatic Guitar Tuner Pedal is a high-quality tuning tool designed for use with acoustic electric guitars, bass guitars, and electric guitars. This pedal tuner features true bypass functionality, ensuring that your guitar's sound remains unaffected while tuning. Made of durable metal in a sleek black color, this unit is compact with dimensions of 5 inches in length, 2.5 inches in height, and 2 inches in width. It weighs 5.2 ounces and is a reliable option for musicians looking to keep their instrument in tune during performances.