$315 with coupon for HOBOT Window Washer Robot Sweeper from GearBest

Features:
– Big suction cleaning cloth
Superfine fiber cloth cover with multiple security guarantees can prevent the machine from falling down
– High efficiency automatic wiping
A window can be cleaned in three minutes, effective and practical
– Remote control design
Three modes can be adjusted for easy operation, convenient for daily use
– Scientific window cleaning
Microfiber fineness of 0.4um in diameter can more effectively capture dust particles as small as a few microns
– Wet and dry wiping
Yellow short wool cloth is designed for wet rubbing, while blue long wool cloth is designed for dry cleaning
– Laser induction design
Laser sensing can accurately detect window edges and can be used for frameless glass doors, display cabinets, offices, hotel lobby windows, etc.
– Square design
The cleaning cloth can touch the corner of the window frame, much more practical

Parameter:
Power: 72W
Battery: 3.7V lithium-ion battery (built-in)
Charging time: 5 – 8 hours
Working time: about 20 minutes
Input: 100 – 240V 50 – 60Hz
Adapter output: 2.4V 3A
Noise: 64dB
Safety rope length: about 4.5m
Remote control battery: 2 x built-in AAA battery
Remote control distance: 5 – 7m