This product is specially designed for extracting the air inside the Camera Housing.
This product needs to be used together with Seafrog VPS-100 electronic vacuum valve, It is a replacement for the Manual Pump Handle
Notice: 
1. Before charging, please check whether the voltage of the power adapter is consistent with the voltage indicated on the device.
2. After charging 10 hours, if the indicator don't turns green, please stop charging.
3. Do not draw liquid (water) or powder directly into the pump. Stop working immediately and clean/ Dry the pump if liquid enter accidently.
4. Clean with a wet towel soaked with a small amount of water instead of putting it directly into the water. The removable suction mouthpiece can be removed and cleaned.
5. Please do not put it near the children, because it is not a toy.
6. Do not put the air pump into any part of the body.