1. Engine:90W/150w
2. battery:12AH,12V
3. Period: 1.5 hours under normal use
4. Speed: usually 3.5km/h with a battery life,max speed is 4.2km/h
5. Diving depth: Tested to 20m - rated to 25M
6. Charging time:4-6 hours
7. adjustable buoyancy
8. Conton size:43X43X67CM