Automatic water spraying: The window cleaning robot will automatically spray mist water during work, no need to spray water manually, saving time and effort Powerful motor: brushless motor: low noise, long life, high power; metal impeller: reduce noise, reduce energy consumption, vector flow Three Cleaning Modes: Easily switch between three modes to meet different cleaning needs Anti-fall optical coupling sensor: It can clean even without a frame. It can detect the edge of the frame and automatically turn around if there is no frame UPS emergency power supply: Built-in 650mAh polymer lithium battery, even if there is an unexpected power outage, it can ensure that the machine is safely adsorbed on the glass and issue an alarm to prompt the host to be removed With safety rope and safety buckle: The safety rope has a tensile strength of 150kg to ensure the safety of window cleaning operations 3000Pa Strong Suction Power: Secure suction force allows cleaning both indoor and outdoor windows with safety Remote Control: Comes with a remote controller, long-range remote control for easy use Specifications: Cleaning speed: 2 minutes per square meter Cleaning mode: 3 different cleaning modes Product size: 250*250*65MM (L*W*H) Voltage/power: DC24V/80W Water tank capacity: 30ML*2 No window detection: automatic detection Anti-fall control: UPS power storage setting/safety rope Whether it has water tank spray function: double water tank Control mode: remote control Suction: 3000Pa UPS battery capacity: 650mAh, 3.7V Cleanable glass thickness: unlimited