This is a stereo Harmonic Generator KIT. It is based on H2 circuit. Seller ship worldwide. 

It has below high quality parts.

1. FR4 PCB. Size of PCB is 117mm X 65mm.

2. Precision & low noise +/-1% metal film resistors.

3. 2 X J112 FET

4. LM317 DC regulator

5. Panasonic FC electrolytic capacitor

Note: This is a KIT. You should solder the components by yourself. I have a 27mm ALPS stereo volume control pot for sale. Please ask. I will ship this item to the buyer within 10 business days after receiving a clear payment. Normally, buyer will receive the package 3 to 4 weeks later (delivery time for buyers in Argentina, Hungary, Turkey, Indonesia, Russia, Indonesia, Italy, Mexico and Brazil is longer very much. Sometimes it will take 90 days or more.). Please feel free to contact me if you have any questions.