Looks charmingly bad, sounds deceptively great. This shares the same basic control set as the better known Boss CE-3, but has a certain warm wobbliness more akin to the famed CE-2. It's a perfect example of an 80s 'sleeper chorus': maximum thrills, minimum dollars. 

Model: Arion SCH-Z Stereo Chorus 
Made: Sri Lanka, 1991 approx
Serial: SL115421
Type: chorus
Power Input: standard 9v DC centre-negative (supply not included)
Accessories: none

Condition notes: used, no major marks. Tested and fully functional.
Overall: very good condition (8/10)