features :<br />plastic housings， and high quality<br />ac input: 100-240v 50/60 hz，<br />specific output voltage and current， 22.5v 1.25a<br />interface: 5.5mm*2.5mm<br /><br />specifications:<br />material:plastic<br />size:12.5x5.5x3cm<br />color:black<br />protection: short circuit/overvoltage/overcurrent<br />no-load power consumption &lt;0.5w<br />led light indicator<br />five levels of energy consumption， efficiency &gt;88%<br /><br />package includes:<br />1 x adapter <br />1 x power cord (us plug)<br /><br />compatible for irobot original model no.:<br />for roomba 400 series: 400 405 410 415 416 418 4000 4100 4105 4110 4130 4150 4170 4188 4210<br />4220 4225 4230 4232 4260 4296 dirt dog discover .<br />for roomba 500 series:500 510 530 532 535 540 550 560 562 570 580.<br />for 600 series: roomba 600，roomba 610， roomba 625<br />for roomba 700 series:760 770 780.