Simplex P2031B-LL-626-41 PowerPlex Pushbutton PowerStar Self Powering Cylindrical Lever Lock, Less SFIC, 2-3/4" Backset, Satin Chrome

Self-Powering with PowerPlex Technology: No batteries to end up in a landfill!
• ANSI/BHMA Grade 1 certified
• 100 Users Supported: Millions of possible code choices
• Patented LectroBolt: Ease of Installation
• 3 Year Manufacturer Warranty; Built-in warranty counter in lock memo
• Indoor/Outdoor Approved
• Preppared for Best style interchangeable core, not included
• Door Thicknesses: 1 3/8" to 2 1/2"
• Operational Temperature Range: +151°F to -31°F
• Backset: 2 3/4", 2 3/8" available