Umarex ReadyAir Gen2 Portable Compressor Over 25% faster than original* 30% smaller 40% quieter Upgraded programmable digital display with runtime counter Upgraded cables Socket for 12V cable instead of posts and loops Flexible top carry handle Electronically-controlled overheat protection auto power-off doesn't require fuse Max. fill pressure: 4,500 PSI 110V or 12V power source Auto-stop at set pressure Oil-free design Weight: 21.3 lbs Includes 110V and 12V cables, high-pressure hose with Foster quick-disconnect fitting and in-line moisture filter * - average of 13-18 min. from 0-4,500 PSI for 24ci tank vs. previous average of 18-24 minutes