The Tigershark robotic swimming pool cleaner has an on board computer brain that maps out your enitre swimming pool giving you the cleanest pool possible. To clean the pool cleaner simply remove its eco friendly cartridge filter that is easy to clean by just rising off with your garden hose. The Tigershark has a 3 hour cleaning pool cycle, during this cleaning mode the swimming pool cleaner is brushing your walls while climbing them covering every part of your pool. Just take it out of the box and plug it in easy to use no installation needed. Does NOT work off of your pool suction providing you with numerous benefits. For extra safety all Tigersharks are 24 DC volt energy efficient motor.