About This Zwave Controller Required - Electronics don’t always have to be turned, just when we need them. Zwave Heavy Duty lets you automate and schedule the operation of the high-power devices wired into it. Wireless 220v Remote Control Switch. - In the event of an emergency, Zwave switch can be used to turn off the electronics that Z Wave switch are connected to. That’ll help prevent further damage to the electronics and your home. Money control - High-power electronics tend to be those that cost the most amount of money to run. Heavy Duty Smart Switch can calculate and report your spend in watts and kilowatt hours in real-time Emergency control - In the event of an emergency, Z-Wave can be used to turn off the electronics that Heavy Duty Smart Switch are connected to. That’ll help prevent further damage to the electronics and your home. Compatible with zwave hub, SmartThings, Open Z-Wave, Wink, Vera UI7, HomeSeer, Home Assistant. Z-wave certification Number: zc10-14090014 Overview Operation Mode : ON-OFF Current Rating : 40 Amps Operating Voltage : 220 Volts Contact Type : Normally Open, Normally Closed Connector Type : Wireless Brand : AEOTEC Switch Type : Toggle Terminal : Physical Material : Copper Item dimensions L x W x H : 5.9 x 4.7 x 1.6 inches