1 led nail machine for dry 2 fast dry time 3 no harm,environment ,energy saving 4 ... working,normal led lamp litetime is 10000-20000hours.3 low heat,therefore prevent skin from wrinkle an ... seconds,its can vary based gel .5 magnetic tray for effortless ,through sanitizing.Specification Volt DC12V / AC 220 ... polish ,immedietly put you nail under manegtic slice for at least k10 secs.(the closer and the ...