This is how to use 36W:
1. On the power socket, turn the O/I switch to the I position.
2. Put your hands or feet into the body, you can set the time according to your requirements, from 30 seconds to 180 seconds.
3. When the time is up, the UV light will automatically go out.
4. Please pull out the bottom when replacing the lamp and cleaning lamp.
5. The bottom plate can be extracted.