Eowave Zone B.F. is an LFO module for modular synthesizers in Eurorack format. It consists of two identical but independently operating LFOs with a large selection of waveforms. You can switch between the 16 waveforms with a knob. One sync input and one control voltage output per LFO are available for modulation. The sync jacks can be converted to CV inputs using jumpers on the rear panel.
Be aware, the slope or ramp the square LFO's make are not steep enough to trigger Doepfer modules! This accounts at least for the S&H A184-1 and the Envelope A-140-2 modules, and I do believe also for other Doepfer modules.
For my SKIS, the are steep enough to trigger, so other brands might work.
I bought two units for 4 LFOs. It feels reasonably well made for the price-range and does what it's meant to do. The waveform dial is a bit off in relation to the icons, especially on the right side. The "sync" is really a reset. If you change the tempo of your track it will always reset in sync, but you'll still have to adjust the speed. I haven't managed to find a manual, even on their website, but according to my oscilloscope, LFO 2 (on both units) outputs an inverted version. If you can live with that, it's a perfectly good LFO module.