Window Cleaner Robot with Auto Water Spray AC 100‑240V 650mah 2800pa Robotic Windows Cleaning Tools for Tuya APP AU Plug Item Type: Window Cleaner Robot Weight: 1820g/64.2oz Material: ABS and fiber Scheme: AI intelligent drive system Gravity Sensor: Support G sensor Built in Sensor: Support MEMS automatic detection, wipe automatically stop Cleaning Route: 3 automatic cleaning routes (up, left, right) Brushless Motor: 2800pa Water Spraying Function: two way water spraying, automatic and manual (for Tuya APP) Water Spraying Principle: atomizing sheet Tank Capacity: large tank 35ml, small tank 16ml Water Source: tap water, glass special cleaner Remote Control: 2.4G (remote control within 10 meters) Noise: 66dB Safety Rope: high strength safety rope, rope buckle Cleaning Speed: 4 minutes per square meter Erasable Size: 400 x 400mm/15.7 x 15.7in (minimum) Product Size: 29 x 14.5 x 7.8cm/11.4 x 5.7 x 3.1in Built in Battery: polymer lithium battery 650mah (power failure protection: support UPS, built in continuous power system, power for 25 minutes) (included)