With this device, you have bought a high quality and durable UV lamp made by Professional Products, which will be a long-life companion for your home studio appropriate handling and a little care. No changing of bulbs Very long life Low energy consumption Significantly faster curing of UV Gel Lacquers and specialized UV gelsTechnical details: 18 LED/22 watt automatic on/off 10/30/60 sec Timer setting, 120 sec in light-barrier activated mode Low heat Mode 365 & 405 nm for all UV-Gels Digital display