[OBSOLETE..] Monoprice Dual Relay On/Off Device type 11990

[erocm1231 (Eric M)]

Try installing the device handler here.

Also, you will need to install the SmartApp and virtual device handlers from:

[OBSOLETE] Virtual Device Sync - Create Virtual Devices and Keep Them In Sync With a Physical Device

[image] Update: Here is a great step by step on how use this SmartApp with multi-relay devices. It was written with the Enerwave RSM2 Dual Relay Switch in mind, but most of it is applicable to other devices as well. Thanks @Mike_Rolle This is really just an upgraded version of my Virtual / Physical Switch Sync SmartApp. SmartThings currently doesn’t support using anything other than the first switch in a multi-switch (multi-channel) device in automations, routines, etc. This SmartApp solves that problem. It creates virtual devices for each endpoint, and keeps them in sync with what the real device is doing. This app improves on my other app in these ways: It creates the virtual devices for you. This greatly speeds up the process. It allows you to use a few different types of switches. …