Please read this first. " @The speaker is not inclued because it is not allowed to ship by airplane "

Detail: 

- The IC circuit utilizes the principle of digital memory. 

- The digital signal and program which cannot be changed is put in IC produced from the IC factory. 

- This is called as rom. 

- The future kit apply IC ROM in microchip from sealed with the imprinted connected pattern.

Technical specifications:

- power supply: 3VDC or 12VDC (select jumper)

- consumption: 75mA max. at 3VDC

- dimensions: 1.21 x 1.77 inches.

- Recommend Housing : FB17