This ZWN-333M Smart Meter Appliance Module is a Z-Wave enabled device and fully interoperable with other Z-Wave certified device from other manufacturers and/or other applications, which can report wattage energy usage or kWh energy usage to a Z-Wave gateway. In a Z-Wave network, ZWN-333M can be controlled to turn on/off to save energy, also act as a wireless repeater regardless of vendor to increase reliability of the network. With a horizontal design, the Smart Meter Appliance Module will not block other nearby AC outlets.