I never buy from there, let's who bought from him before to comment here if any, or you can check if there is any user comment/review.
of course, sure different specs. for me, S2340T is too over expensive @ RM2180
cheaper version of touch monitor, S2240T is 1.5" smaller size of model, other different are:
S2240T vs. S2340T:
1. response time: 12ms vs. 8ms
2. brightness: 250 vs. 270
3. contrast: 3000:1 vs. 1000:1
4. panel: VA vs. IPS
5. USB 3.0 downstream: NA vs. 4ports
the touch response time and thickness might be different but the touch type in general about the same, is 10 touches projected capacitive
many ppl bought from there... but dunno if any lyn menber who bought from there... perhaps they can give a better insight of their products sold... currently holding my horses back...