BEETLE Product Description: Zero-maintenance, oil-less diaphragm air compressor, Preset maximum pressure: 30psi, Smart Stop (Patented), Detachable airbrush holder, Detachable power cord & plug, Universal power adaptor: 100-240V, 50/60 Hz, Pressure adjustable, 4M PU curly hose, Extremely Quiet: a mere 40 decibels, Powerful for its size: performance similar to ARISM MINI yet much smaller in size, Product Info: Airflow: 14 lpm at open flow, Weight: 0.6 kgs / 1.35 lbs, Size: L12.4 x W10 x H11.4 cm, Accu Pack 2hours charging, 45min working. Every 3 months must be charged up to keep battery in good condition.