... .60s,90s5. Induction of automatic open Yes,put hand in lamp,the light open.6. Using lif 35000hours.7. ... the followings features;1. Enviromental protection,light use of LED,non-harmful substances to the human body;2. ... Energy-saving,LED is a low-power devices,low power consumption machine ... broken6. Fast dry time,with the use of LED nail gel, the dry time is about 10-30 ...