CLASS 2 POWER SUPPLY - Input: 100V-240V, 50/60HZ; Output: DC 31V 6W. Please check the voltage, current, power and the two holes (+/-) of your connector before purchasing. WATERPROOF - IP44 waterproof level (not completely waterproof) for indoor and outdoor use. The power supply shell is resistant to corrosion and can withstand years of use. MULTIPLE MODES - The low voltage transformer plugs have 8 functional modes: combination, in wave, sequence, slow glow, chasing/flash, slow fade, twinkle/flash and steady on, enough to meet your using needs. TIMER SETTINGS - The inflatable Christmas decorative power adapter has a built-in timer function. Long press the button for 3 seconds to turn on/off the timer setting (6H ON, 18H OFF). WIDE APPLICATIONS - Our Christmas light adapters are suitable for appliances with Low voltage led, such as holiday decorative lights, Christmas tree lights, line lights, lawn lights, curtain lights, table lamps, fountain lights, inflatable equipment, step lights,