GX Pump CS3-I Portable Airgun Compressor, Built-in Home Converter, Setting Auto-Stop Pressure,Oil-Free, Built-in Water-Oil Separator Filter, Powered by 12V DC or Home 110V AC, 4500Psi/30Mpa, Airgun Pump, Air Rifle Compressor. ☆Update :Compare with CS3 verison, the only difference is that CS3-I...