1、Using Ways: Input AC95‑265V 50/60Hz, output current 500mA (constant), voltage DC2‑4V, DIY can connect a 3W lamp bead. 2、LED Driver Size: Specification length 2.7cm x width 2.1cm x height 1.9cm/ length 1.1in x width 0.8in x height 0.7in, manual measurement, slight error, subject to the actual product. 3、Exquisite Design: LED power driver is small in size, easy to hide, and does not affect the overall decoration aesthetics. 4、Easy To Install: Both the output and input are equipped with premium cables without flicker and good insulation effect; it can be directly connected to the power supply and lamps without repurchasing cables, making DIY more convenient and simple. 5、Good Performance: Constant current power LED driver, can be used in most LED lightings products, it is noiseless to use, good heat dissipation, and long life.