EQ-505R 3 Bands Preamp EQ Tuner Piezo Pickup for Acoustic Guitar Product Name : Piezo Pickup;Model : EQ-505R Material : Plastic, Metal;Main Color : Black Size : 9.5 x 4 x 6cm/ 3.7" x 1.6" x 2.4"(L*W*H);Cable Length(Approx.) : 60cm/ 23.6" Power : 9V Alkaline Battery(not including);Net Weight : 150g Package Content : 1 x Guitar Pick UpSome Mounting Parts