Robot vacuum cleaner station compair photos

compair the charge station
you know that for all the robot vacuum cleaner has auto recharge
but they are not same
let's have look the all the robot vacuum recharge station
1. irobot roomba

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<robot vacuum cleaner>

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roomba and station

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<robot vacuum cleaner>

station

2. LG roboking

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<robot vacuum cleaner>

<robot vacuum cleaner>

<robot vacuum cleaner>

roboking and sation

station

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3. Samsung Tango

<robot vacuum cleaner>

<robot vacuum cleaner>

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station and Tango

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4.Mamirobot Sevian

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<robot vacuum cleaner>

<robot vacuum cleaner>

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station with Sevian and Handy vacuum

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 <robot vacuum cleaner>

Station

can you find what is differance??
other stations are fixed charge but Sevian is not like that
they used same as aircraft landing system

so Sevain finds station very well~
you can put the sation in anywhere even if it has not enough space
if you buy this you will be a lucky guy~