New robotic vacuum cleaner with strong suction, double brushs, with built-in ultrasonic detection to determine the extent of the floor cleaniness. Five moving mode with UV sterilization. Low noise and energy saving. Self problem check - when the robot encounter problem, it will show the error code. Now on special offer until end of Dec. 2015 or while stock last.    (<a href="http://www.bio-kleanz.com">www.bio-kleanz.com</a>)