1.3 NOZZLE TYPES WITH SECURE LOCKS The air pump comes with an extralong power cord and three nozzle sizes (S (0.28), M (0.68), L (0.71)), fitting most inflatable items. The nozzles stay securely locked to prevent air leakage. 2. EASY TO USE The inflatable mattress pump is compatible with 220V AC power. To inflate, simply insert the nozzle into the filling valve and press the switch. To deflate, place the nozzle into the vent hole and press the switch. It's quick, effortless, and requires no manual pumping, saving time and effort. 3. PERFORMANCE The air pump features quickfill and pressure functions for efficient inflation and deflation. (Note: This pump is not rechargeable and is unsuitable for pressure items like balloons, basketballs, or tires!!!) 4. PORTABLE AND Compact and, this air pump is easy to carry and use indoors or outdoors. Its small size and light weight make it convenient for storage, transport, and use anywhere.