Single Push Button Battery Operated Switch

Cooper makes a zwave dimmer switch that is battery powered, but expensive, $99

http://www.zwaveproducts.com/Zwave-Lighting/Zwave-Wall-Switches/Aspire-RF-RF9500-Battery-Operated-Z-Wave-Dimmer-Switch.html?IXsid=114ek6s4u6sam7j4qf17a4kjl1

SmartenIT makes a nice 3 toggle zigbee switch for $50 that works well. This is the one I’m using for hello home actions: