Sevylor Dual to Single Action SUP Hand Pump High-pressure pump inflates up to 12 psi for rigid SUP boards Dual-to-single action auto-switch lets you pump high pressure with less time and effort Dual-action at low pressure inflates when you push down and pull up for faster inflation Single-action at high pressure inflates only when you push down for easier pumping In-line pressure gauge lets you see your pressure while inflating High-pressure valve fitting ensures a tight fit without air loss Inflates any inflatable SUP board 1-year limited warranty