Features: Three Cleaning Paths: First up and then down, first left and then down, first right and then down, and return to the starting position. Cleaning Area: The window cleaner can easily clean the framed window with a size small than 65 meters. Anti-falling Control: Comes with a 4.5m safety rope and strong vacuum absorption to anti-fall. Remote Control Function: The included remote controller can control cleaning mode switching, start/stop. Fast Cleaning Speed: 4mins/square meter cleaning speed (clean twice everywhere), do the cleaning job with high speed and high efficiency. 30 Minutes Standby Battery: There is a battery backup to prevent an unexpected power outage. Please confirm the battery is full (green LED). Do not use on no frame. Fasten the safety rope before using, to prevent falling from high altitude. First power on and then place the robot on the window. Make sure the machine can be firmly adsorbed on the and then let go, it takes about 20 seconds. After finishing cleaning, first, take off the window cleaner robot and then turn off the machine. Do not use it in rainy or wet weather. Please read the user manual carefully before using the product. Specifications: Power: 80W Input Voltage: AC100-240V, 50/60Hz Output: DC24V, 3.75A Cleaning Speed: 4 mins/square meter Max. Cleaning Area: 6 5 meters Cleaning Mode: Manual & automatic Battery Capacity: 650mAh Battery Working Time: 20-30 mins Adhesive Time After Power Outage: Max. 30mins Remote Controller Powered by: 2 AAA battery (not included) Noise: =60dB Item Size: 298150120mm/11.735.904.72in Item Weight: 1034g/2.28lb Package Size: 300232130mm/11.819.135.12in Package Weight: 1911g/4.21lb Package List: 1 Window Cleaning Robot 1 Remote Control 1 Safety Rope 4.5M 2 Suction Cup Ring 5 Pairs of Spare Cleaning Rag 1 Spray Bottle 1 AC Adapter 1 Power Line-1M.