Schlage Lock F40CSVELA626 Satin Chrome Elan Privacy Lockset, Inside handle has push button to lock and releases when handle is turned. Outside handle has emergency rlease. Tested up to 400,000 cycles. UL Listed up to 3 hour fire door. Used in light commercial applications such as interior doors in offices, warehouses, churches and light retail. For use in restroom, bedroom or dressing areas.