please note: this &quot;cleaner robot&quot; has three different type of plugs!!!<br /> * no.1 is for <br /> * no.2 is for ，<br /> * no.3 is for european.  please select the right type of plugs!!! <br /><br />specification:<br /> * rated voltage:14.4v<br /> * working time: 45-90 minutes<br /> * rated voltage: &lt;35w<br /> * operating temperature:-10∪--45∪<br /> * operating humidity：∵85rh<br /><br /> * input voltage: 20v<br /> * input current: 0.9a<br /> * rated voltage of remote-controller/virtual wall:3v<br /> * rated voltage of automatic charging dock:20v<br /> * size of main body:31cmx10cm diameter x height<br /><br /> * size of remote-controller:15x62x125mm<br /> * remote-controller battery: 1x cr 2025 button battery<br /> * size of automatic charging dock: 115x35x80mm<br /> * size of virtual wall: 90x40x90mm<br /> * virtual wall battery: 2x &quot;1