alitove 5v 15a ac to dc power supply adapter transformer converter 5.5x2.1mm plug 100v-240v ac input for ws2811 2801 ws2812b led strip pixel light alitove <b>parameter</b><br> 100% brand new<br> input: 100~240v ac, 50/60hz<br> output voltage: 5v dc <br> output current: up to 15 amps<br> working temperature: 0~40°c<br> storage temperature: -20~60°c<br> ambient humidity: 0~95% non-condensation<br> safety compliance: ccc/ce<br> ac cable length: about 47.24in (120cm)<br> dc cable length: about 39.37in (100cm)<br> body size: 5.51in x 2.36in x 1.41in (14cm x 6 cm x 3.6cm) <br> weight: 1.04 lb / 470g<br> <br><b>kindly note</b><br> 1) the power supply comes with a female dc connector. so you can easily screw wires on it without soldering. <br> 2) please don’t use it outdoor. it is not waterproof. <br><br><b>statement:</b><br> some customers complain that output power of 5v power supply is insufficient. after a series of tests, we find the reason is wrong test method, not quality issue.<br> because of low voltage and large current, 5v power supply requires the test wire to be thick and short enough, so as to reduce the power loss as much as possible.<br> compared with the 12v and 24v power supply, if the same current is to be output, 5v power supply needs a thicker output wire.<br> for example, if the 12v 20a power supply is tested by 11 awg test wire,no current and voltage drop, no power loss. <br> but when we test 5v 20a power supply, in order to get sufficient 5v voltage and 20a current, 6 awg test wire is required. <br> if we use 11 awg test wire or 6 awg test wire is too long, the current and voltage will drop much. this is the characteristic of the current transmission of 5v power supply. <br> the lower the output voltage is, the wider the transmission channel should be. if you need test report, please feel free to contact us.<br><br><b>package:</b><br> 1x 5v 15a power supply adapter <br> 1x dc female connector