The Yamaha 220Li features the power and convenience of a replaceable Lithium ion battery with 2-level rotational speed control. The scooter glides effortlessly at speeds up to 3.1 MPH. Designed for both professional and recreational divers, this seascooter features an automatic buoyancy adjustment system and allows divers to spend more bottom time in the water and exert less energy. A camera mount accommodates GoPro HERO 3, 3+, 4, or 5 model cameras so you can capture your adventure under water. With normal use, the scooter will run up to 60 minutes. Includes battery level indicator. Rated to 100' depth. Weighs 19 lbs. 12.6" x 11.8" x 24".