Z-Wave Plus Single Relay Switch Module

I have three of these Enerwave relays (one single and two duals). They work as advertised with Smartthings. I love that this allows the standard switch to continue to function normally, while also allowing for smart control. The main thing I didn’t understand before installing is how the switch behaves after install. I had a single switch so up was always on, down always off. So much so my physical switch has “on” and “off” labeled on the toggle switch. Once you install the relay behind the switch, the single switch behaves like a 3 way switch. Up and down no longer indicate the state of the light/fan. You just have to reverse the switch to reverse the state of the light/fan. I have 2 of the Honeywell / Jaysco switches that handle the position issue by being spring loaded so the toggle deflects up or down and returns to the middle. The Honeywell is much larger, and is a bit different than a standard switch. My wife was mildly annoyed with the Honeywells, but she couldn’t tell the Enerwave was installed. The Enerwave feels like the same old switch because it IS the same old switch. The dual relays function just as well with the required Device Handler in SmartThings. The pricing of the Dual relay 2 pack is better than the single on a per unit price. The Dual Relay is only slight larger than the single so I’d buy the dual two pack going forward, even if I only had one switch to control. You might reconfigure things in the future and be all set with the 2nd relay on hand. My electrician friend tells me this works with 3 way switches so long as you install it in a box with both the hot and the load. In one of my installs I did have the hot and load in the box, so both of the physical switches work and the relay works. Other scenarios I didn’t have both in the same box so I couldn’t get it to work. Let’s just say this will work with 3 way switches in some circumstances. As they say your mileage may vary. Install is on par with any switch or outlet. It’s not rocket surgery, but may be out of reach for some. Always turn off the breaker when working on anything. An electrician should be able to install this without issue if you get stuck. All things said, this is a solid addition to my Smartthings home. My new favorite smart lighting and fan automation.

Description is accurate and product seems to be a good quality. Installed two of them in two metal electrical boxes to control two attic/roof fans. The little antenna can stick out of the box and communicates well with z wave hub. However, it has a max operating temp of 105 degrees fahrenheit, so it may fail in some applications. Should also check out the SONOFF ZBMINI ZigBee Mini Smart Light Switch. They too can switch 10A, cost about 1/4 as much and have an operating temp up to 140 degrees Fahrenheit. I found those after buying this one and got four of them for $40. The max 105 degree operating temp for the relay this review is about is a big disappointment since in my application it will likely fail.

I was so hyped for these and they install as expected in any existing switch box. They turn any standard switch in a 3-way switch with smartthings being the other "switch"...so the functionality is very powerful...you keep your existing physical switch and anyone can use the switch as normal, controlling the light or fan or heater or whatever is wired to that switch without any difference but in addition you have the power of smartthings....so timer based functionality, event driven functionality, geofencing functionality, and all other automations, plus remote control from anywhere...oh yeah this is a great concept!!!! BUT IT DOESN'T WORK!!! I bought and wasted my time installing 5 of these around my home...exhaust fans, lights, fireplace, etc but they are so frustrating! Works flawlessly through smartthings, whether its using the app to turn on/off or using programmed automations but the physical switch....the physical switch you flick it up and hear a click but the wired device doesn't come on, you flick it back down...."click" and it doesn't come on, flick again and again and it will finally come on....maybe 2 clicks, maybe 3 or 4.....rrrrrgh! Then one day you walk up and flip the switch and it works 1st time?! Mostly 2-3 switch flips up and down before the light or other devices come on...but looking at smartthings the devices are all connected and happy and if I use the app to operate the switch it works everytime the 1st time. So its very frustrating! I feel like the physical switch should just work everytime regardless of anything else...connection, hub status, smartthings app commands, etc....if the physical switch is switched it should work....period!

this tiny device is amazing. After someone rang our doorbell - as a prank - shortly after putting the baby to sleep, which then sets off the dogs barking like crazy, I almost disconnected it (as the previous owners had done - when I bought the house I had to figure out why the doorbell didn't work). Anyway, to make a long story short, I installed this at the transformer gang box, paired it with my z-stick, and set up a schedule to automatically cut off power to the doorbell on my daughter's sleep schedule. During naps, we can just turn it off on our phones using our smart home app. Installation was easy, if you know how to install an outlet or light switch in a gang box. Pairing was easy as well - it paired on the first try. Oddly, my software - Indigo - did not find it on the z-stick on the first try, but it did on the second try, phew! taped up the aux wire to avoid shorts, stuffed the whole thing into the gang box, closed it up, and done. Works like a charm. Note: while any relay could work - I was torn between this one and the Aeon Labs one - this one has lead wires on it whereas the Aeon Labs does not, and there were comments in the reviews that getting the wires into the holes might be tight.