This does a lot of tricks. You can program a stack of different combos and recall them, plus it models a bunch of amps etc. It's a nice little start into the world of effects if you want to dip your toe in the river.

Model: Digitech RP155 Modeling Guitar Processor
Made: China, recent model (serial 00010808)
Type: multiFX/modelling
Power: standard 9V DC negative power (not included)
Switching: buffered bypass
Equivalent new street price (approx): n/a
Mods: none
Accessories: original box, no manual or power supply
Condition notes: used, no major marks, excellent condition