The Lemo 2 is a real PITA compared to the Squape R. The Squape R is by far the easiest RTA I've ever had the pleasure to work with. You almost have to try to get something wrong, unlike the picky Lemo that is prone to leaking and dry hits if you get the wicking wrong and has that finicky deck that makes aligning and securing your coils a circus like balancing act. With the Squape R you just set the rod or screw your coil is wrapped around into the alignment groove in the deck, wrap the leads around the screws and tighten them. Literally 30 seconds and the coil is perfectly aligned and at the perfect height over the air hole every single time.
Wicking is almost impossible to get wrong. Run your wick through the coils and along the alignment groove, trim it flush with the edge of the deck, fluff it, and you're done. Works great every single time.
Align and secure your coil
Insert, trim, and fluff your wick
Wet with juice and you're done.
Plus the Squape R has easily swappable decks to allow you to easily produce different kinds of builds. Like dripping atomizers but want a tank, use the B deck and the deck works just like an RDA with the wicks resting in a pool of juice. Want a dual coil build, use the D deck and you've got alignment grooves for your two coils and an air hole under each one. Want to use a high VG juice, use the W deck and you've got nice wide juice channels for your thick juice. Want to use a tiny coil and silica wick for a tight draw mouth to lung hitter, use the standard S deck. Like that setup but want a bit more wicking, use the curved deck. Airflow adjustments from pinhole tight to easy straight lung hits with just a twist of the ring that clicks into place with each setting.
And if you're on a budget, EHPro makes an excellent clone that comes with the standard, curved, and wide decks that can be found for just $35-$40. Just a couple of dollars more than the Lemo 2.
The ONLY advantage the Lemo 2 has over it is the top filling hole, but the Squape R does let you remove the deck without emptying the tank and refilling is just as easy as an Aspire Nautilus.