It has three inflate ways: scuba adapter, electric pump and high pressure hand pump. When inflate with electric pump, please equipped with oil-water separator; when use other hand pumps, please make sure it can reach up to 3000Psi. NOTE: using the hand pump to reach up to 3000Psi is tired, it takes about 30-45 minutes, we suggest to use it as a backup inflation devices.
* 【HIGH QUALITY MINI SCUBA TANK】: The tank body was made of aviation aluminum, can better resists to seawater corrosion and stands up well to damage. The regulator include inflation interface(8mm), pressure gauge, air switch, explosion valve, constant pressure valve. and the second-stage valve include mouthpiece, relief valve and breath tube. When normal used, all the parts
could work for at least 2 years
* 【PROFESSIONAL SCUBA TANK WITH CERTIFIED 】:Our mini scuba tank have the CE certified in EU  it can be used by uncertified diver, but some diving places may not permit uncertifed people diving, please know your local policy before buy it. This tank can be used for normal diving no more than 10m(about 32 ft), and the water temperature should be above 10 ℃（50℉). Besides, scuba tank can be used as backup air, in this situation, it can be used in 30m(100 ft) underwater.