Cosmy robots are equipped with two-stage planetary gear technology and a drive system that offers greater efficiency and better precision. A whole lot of technology packed into less than 13 lbs.The cleaner travels around your pool and with the powerful suction it works fast to reduces cleaning cycles, consume less energy and yields flawless results. Easy to use connect the power cord, the control box and the cleaner. Lower it into the pool and turn it on, the results are amazing.