Excerpt below from Soundhouse.

This traditional model has been a long seller since its release in 1981. The sweet and mild distortion that makes the most of the subtle nuances of picking and the expressive power of the tone control continue to attract many guitarists.
Type: Overdrive
Controls: LEVEL, TONE, GAIN
Size(WxHxD): 7.0 x 5.5 x 12.5 cm
■Weight:400g

Manufacturer---BOSS