THE ALL NEW SEA LION™ BEST FOR HOOKAH DIVING! Brownie's™ new eco-friendly Sea Lion™ revolutionizes hookah diving. With on-demand air flow and battery power that equals a gas powered unit, Brownie's Sea Lion™ outlasts any other battery powered hookah system. Using a Lithium Ion Battery the Sea Lion™ is more efficient allowing three hours plus dive time. Brownies Sea Lion Hookah Key Sea Lion™ Features Maximum run time of over 3+ hours / minimum about 2 Easy swap lithium ion battery with spring loaded contacts – no plug connectors Variable speed algorithm – runs based on diver demands, shuts off when not used Maximum depth selector for higher efficiency modes Battery level indicator 58 lbs in pan without lid 2 divers to 65 ft and 3 divers to 35 ft* and 4 dives to 15-20 ft* (with the purchase of the add-a-diver kit*) *See Chart Below Dimensions: LxWxH in pan without lid = 24x16x13 in.