... time function:Set time is 10s,20s,30s or 30s.60s,90s5. Induction of automatic open Yes ... time is 10s.Using LED base gel,the solidification time is 20s.Using LED top gel,the solidification ... 30s.Using LED method of three-in-one gel, the solidification time is 20s.8. Authentication CE.9. ... has the followings features;1. Enviromental protection,light use of LED,non-harmful substances to the human body;2. ...