Why choose us? TUDIVING means time for underwater diving to explore the wonders beneath the waves.TD logo means to diving like waves to where what we want. It also like one sailboat to protect us go faster.TUDIVING is committed to providing each customer the highest quality outdoor and sports product.Let everyone experience the joy of diving! Product Features Home or Car Power The portable PCP air compressor can be powered by a 12V car battery outdoors or a 110V socket at home. Water/Oil-Free & Oil-Moisture Filter The scuba compressor no trouble of externally circulating cooling water or adding oil. Instead, two high-power cooling fans are built in to dissipate heat. 8mm Fast Disconnecting Fitting Both ends of the hose are 8mm FOSTER female connectors, which can directly fit the male nozzles of most diving bottle,PCP air rifles and paintball cylinders. Specification Voltage :110V AC/220V AC/12V DC Power : 300W Weight :6.7KG/14.7LB Lubricating Oil :Oil free Cooling way : Build-in fan Working Pressure : 30Mpa/300Bar/4500Psi Shut down : Manually Media : HPA Power by the 12V DC car battery Convenient to use when out and about, can be powered directly by 12V DC car battery Properly clamp the car battery Red is "+" Black is "-" Household 110V AC power supply Comes with power adapter - plugs directly into your home wall socket Easy to Carry Compraring to traditional 110V pcp compressor which is over 18Kg,this one is very portable,just weight 6.7kg,you will not cost so much energy again. After receiving the compressor, please note the following: 1. Please check whether the outer packaging and the machine are damaged; 2. The compressor temperature should not exceed 85℃ or the running time does not exceed 45 minutes; 3. Do remember put on the breathing rods the replace the oil cap , then add oil to the leval of the red dot; 4. The compressor will install one filter along with the filling hose in order to make good air quality. 5. When connecting the filter and hose, please make sure that the blue filter and hose have been assembled and there is no leakage; 6. Due to transportation restrictions, the compressor does not come with silicone oil, so buyers need to prepare silicone oil by themselves 7.The filling pressure does not exceed 300Bar/4500PSI/30MPA