INDONESIA.Veyz Sustainer was founded in 2015, and is still running today. Of course we are experienced and professional in this matter. field (Musical Instruments), because we have sent it to all regions in Indonesia, and sent it to various countries, or it can be said that it has penetrated to various continents, (America, Europe, Australia, Africa and of course only Asia) Sustainer or sustaniac is a tool to extend guitar sound and creates sustain feedback (squeak) with completeness as shown in the picture and for the neck position the sound produced for this custom sustaniac there are 3 modes: - NORMAL-MIX - HARMONIC (creaking) This pickup requires 9volt battery power because it is an active pickup. instructions on how to install will be provided with DIAGRAM and VIDEO tutorials.