New Upgraded-Higher power, lower heat mode. Our 80W uv led nail lamp is make up by led beads.Flexible Options with 4 preset time control: 10s, 30s, 60s and 99s low heat mode. Enjoy professional quality nail polish at home. If we need pressing the button again when the time ending? Of course needn't.Because we have automatic sensor function. How you can activate the light again? By removing your hand and putting it back under the lights, without pressing any buttons.Why the light is white closing light blue but not purple?Because the uv gel nail light are irritating for eyes and skin,so we were upgrade the light design to ensure is perfect for our customers.About Function 1.10s high speed,saving 70% curing time. 2.Large space, cures 5 fingernails or toenails at once.3.Smart auto sensor, easy to use without pressing any button 4.Timer setting design, stop curing once time up.5.LCD digital display, no need to view time. 6.LED dual light source, work well with all gel polish. 7.50000hrs lifetime LED beads, no need to replace beads. 8.Works well with all gel nail polish.