I use these. Zigbee but work great. But be aware some come with the latest firmware that shows all the voltage and current but some dont. Youll have to have the almond to update the firmware on them to allow the voltage and current to show up in smartthings.
Securifi Peanut Smart Plug (1 Minute Setup) - Remotely Monitor and Control Lights Appliances using Free iOS/Android Apps and Browser Interface - White https://www.amazon.com/dp/B00TC9NC82/ref=cm_sw_r_cp_api_glt_i_N6J3P29WRB4M7CK9534F?_encoding=UTF8&psc=1