... seconds 2,Long usage life 3,No heat after using uv LED lamp can dry our special LED gel in 10 ... 200pcs) Directions:Professional nail led lamp, apply to solidify nail UV gel.Timer: 10 seconds, 30 seconds, 60 seconds,90 seconds ... ,Input voltage: 100-250v 4.5WUsage:Plug in, turn on the rear switch and select time, for ...