✅Newly upgraded portable PCP airgun compressor.Added a safe bursting disc,improved heat dissipation,use of a high power fan,increased usage time, reduced cooling time, improved reliability, and designed with a 12V power cord outlet for easy wiring. This air compressor can be powered by a 12V car battery or 110V AC (power converter included). It can inflate your air gun anytime in the field or at home.Maximum inflation pressure is 30MPa/4500PSI.recommended air cylinder volume is no more than 1L ✅