specifications: 1) dimensions: 597 x 372 x 311 mm with 12 ah battery 8.4 kg 2) buoyancy: for snorkeling it is usual to have about 2 lbs buoyancy. for diving it is usual to have 5 oz buoyancy. in both cases the seascooter will rise to the surface of the water if accidentally released at depth. always wear a coast guard approved personal flotation device when using seascooter. 3) performance: speed capable of pulling snorkellers along the underwater world effortlessly and comfortably at up to 4.8km/h. 4) operating time: up to 1.5 hour (extended battery) 5) depth rating: 30 meters 6) thrust: 5 kg 7) power to weight ratio :1 : 1 8) motor: 12 volt dc - 150watts continuous 9) battery: 12 volt dc 12 amp hours life: approximately up to 1,000 charging cycles 10) charging: charging adaptor included packing: carton dimensions: 650 x 450 x 350 mm conveyance: qty/20' fcl: 270pcs qty/40' fcl: 540pcs qty/40' hq: 630pcs