1. The shower head 3 Settings are: Rain Shower, Powerful Oxygen Spray, Soft Mist Spray.

Mixed settings are: Rain+Mist Spray, Rain+Oxygen Spray.22

2. Pause Function for your temporary Pausing water without water temperature change or adjustment to shower faucet. But Please Turn Off shower faucet after shower! Pause Function can not take place shower faucet turning off! 

3. A 2.5 GPM (80 psi) water flow restrictor is in the pivot joint, under the filter. 

NOT for California!