Power message in XML format
<?xml version="1.0" encoding="utf-8"?> <Power version="2.0" xmlns="http://www.isapi.org/ver20/XMLSchema"> <powerSwitch> <!--req, xs:boolean, switch on/off: "true"-switch on, wake up device, "false"-switch off, device will be in sleep mode--> </powerSwitch> <batteryPower><!--opt, ro, xs:integer, battery percentage, range: [1,100]--></batteryPower> </Power>