... non stop working,normal led lamp litetime is 10000-20000hours.3 low heat,therefore prevent skin from wrinkle an getting bark ... the hands.4 fast dry ,led nail lamp techology can cure gel nails in 10 to 90 seconds,its can vary based ... picture How to use 1;apply base polish and blow dry ,then apply manegtic nail polish one more time quickly.2;after apply ...