Mooer is quickly making a name for themselves by offering low-cost, nano-style clones of big name pedals. In this case, it's EH's Electric Mistress analog flanger. You might wonder to yourself how Mooer could make such a large, expensive pedal fit into such a small housing and have the same sound to it. And you're right to wonder because it doesn't sound quite the same. However it's pretty darn close, and given the advantages the Elec Lady has over the EH in terms of your pedalboard real estate and your wallet, the small difference in overall tone shouldn't matter much to anyone looking for a flanger.