SEAMAX Portable 12V Two Stage 1-8.5 PSI Electric Air Pump with 7AH Battery for Inflatable Boat & Kite Turbo Fan Stage: Max Pump Air 500L per Minute, Dual Cylinder Stage: Max Working Pressure 60 Kpa / 8.5 PSI Digital Air Gauge Built-in; 12V/7AH battery, 110V-240V Smart Charger. Air Host Kit Max 45 Minutes Working Time per Battery Charging. Pressure Setting from 1PSI, Increment per 1 KPA (0.15PSI) Multiple Valve Adapters, Digital Control and Real Time Monitoring, Auto Shuts Off when Set Pressure Achieved LCD Back Light, Carrying Bag,Support Intake & Outtake (Inflate & Deflate) Dual Actions. Seamax Limited 2 Years Warranty