This is a professional-grade household wireless smart pool cleaning robot. It is the most advanced product model under the Aiper brand and also the most advanced product in this field in the world.The N1 Ultra is the world's first cordless pool cleaner robot capable of horizontal wall cleaning, with precise flow control, dual drains and an infrared sensor system that allows navigation and obstacle avoidance while cleaning your pool. Designed with four brushless motors, super strong suction and a double-layer filtration system designed to remove all impurities below 3 microns and microorganisms in the pool, the huge 7.5-liter dustbin is capable of handling the most complex cleaning tasks.