What you need to do is:
Plug in the USB cable, put your finger in the hole.
·Touch sensor will Turn ON / Turn OFF automatically.
·Time control chip will turn off the light after 30s.
·Remove the finger and the light will tun off at anytime.
Customized color as ordered.
Curing LED gel in 20-30s.
We offer 395-400nm as default.
Share adapter & cable with phones.
We offer USB cable only.
Get rid of cable, real wireless.
We will offer AAA type if ordered.