Two independent voltage-controllable LFOs.

Dual LFO is a LFO module that has two independent voltage-controllable
LFOs. You can create complex CV signals combining the two LFOs.
The range of frequency of each LFO can be changed respectively via
jumpers on the PCB (CV in doesn't follow 1V/Oct)

http://hikari-instruments.com/manual/DualLFO_manual.pdf