I have two of the plugin switches that were offered by Securifi through the Kickstarter campaign. Both fail during pairing attempts. The Almond+ provides the first two messages "Adding sensor. Please wait." and "Getting sensor info. Please wait...", but then it gives me an "Association failed" message. Pairing seems to work fine with other Zigbee sensors that I have (key fob, window/door sensor, etc.). I've tried Removing the sensors as well as Remove All Sensors before trying to do the pairing.
thanks,
Phil