... touch screen. 3,Intelligent space detection, fall-proof. LED Touch Screen Remote control Robot Vacuum Cleaner with Automatic Vacuum Cleaning and Self-charging System ... :Ni-Mh 1700mARun time:Max 2 hoursCharging time:4-5 hoursNoise:<58dbDust bin:400mlAccessories:1* Vacuum cleaner 1* ... room size -- Small, Medium, Large (S, M, L) • 5 cleaning models - Spot, Random, Wall follow, Zigzag, Remote as you ...