Home Slickdeals SmartThings Sensors: MultiPurpose single unit $19.99 + free shipping Slickdeals SmartThings Sensors: MultiPurpose single unit $19.99 + free shipping By ARCOM - 26 June 2018 190 0 SHARE Facebook Twitter Go to the deal page: SmartThings Sensors: MultiPurpose single unit $19.99 + free shipping