@B.Will did that, light kept turning off and on in random intervals. i ended up moving the smart switch to the other outlet, as it was by itself (the previous one was a 2 gang), solved the problem.

Hello all, I installed a 3 way HS210 recently, with the other switch in the circuit being the existing "dumb" switch. Both switches work fine and can turn the lights on and off. However when selected...