The Monterey Privacy door lever is generally used on a bathroom or bedroom door. It provides a turn button lock or turn knob on the inside and comes with an emergency release on the outside that allows the door to be unlocked by inserting an emergency release tool. The entrance lever is for front door with one key outside and turn button lock inside. Right hand or left hand type indicates which way the door swings, see link for more details:

https://www.google.com/search?source=hp&ei=ywc4WrmiJuiO0gLip5eADg&q=right+or+left+hand+swing+door&oq=right+or+left+hand+&gs_l=psy-ab.1.5.0l10.1601.6369.0.10097.19.14.0.5.5.0.253.1058.8j2j1.11.0....0...1c.1.64.psy-ab..3.16.1080...0i131k1.0.jH99zUytB44

• Adjustable Backset to 2-3/8 or 2-3/4
• ANSI A156.2 and Grade 2 Rating meets light commercial
• Exceeds standard residential security requirements
• Left Hand or Right Hand