Support & Resistance Zones clearly draws some useful S\R zones for you.
Important notes:
It's not bulletproof and unmistakable but it may be so useful to get some strong zones. You may get false or missed levels, So always check for other levels.
Always draw the continuation of previous levels by hand. It's a must! I didn't continue the zones to keep your charts clear.
The lagging is zero. Unlike many similar scripts.
Just compare the results to another support and resistance tools :)