Robot Vacuum Cleaner,vacuum cleaner,auto rechargeable robot Advanced obstacle-avoidance system for distance measuring. Robot Vacuum Cleaner,vacuum cleaner,auto rechargeable robot SPECIFICATIONPower:50WVoltage:DC 14.4V Dust cup capacity ... ,prevent collision with furniture .Electronic anti-collision supplementary system ,the cleaner to swiftly turn away before colliding with object in complicated ...