Error loading media. I do not recommend this product. Don't waste your money. Despite shady marketing and apparently a lot of R&D, these smart switches are one of the worst products Leviton has made. All of the smart switches (I've tested the LB120-DS, LB120-GS, LB120-AS, LB120-S, LB220-S, LB230-S, and LB260-GS) make a distinct, obnoxious hiss when on, even when on the switch itself is set to OFF. Hissing noises are made up of at least three components: regular white noise, high-pitched…