The CFS-1850 Stand-Alone Fingerprint Door Lock is a reliable, efficient and cost-effective method to secure your home or office door. The CFS-1850 Fingerprint Door Lock utilizes the fingerprint scanning technology, which is the most mature and tested type of biometric technology. The revolutionary CFS-1850 fingerprint door lock has an ANSI UL-listed Grade One single tubular latch for easy installation on most existing doors with the 2-3/4 inch standard backset (the distance between the edge of the door to the center of the main hole, which is usually of a 2-1/8 inch diameter).
Characteristics:

Easy to operate
Door Access controlled by Fingerprint Identification
Aluminum Die-Casting Exterior
Fast Identification and Stable Operation

• Fingerprint or User Access Code Entry
• Mechanical Emergency Override Cylinder Key (Standard SC-1)
• UL - Listed Latch
• Fire-Rated and ADA Compliant Lever Handle
• High Performance Optical Sensor for Accurate Fingerprint Scanning
• 1:N Identification or 1:1 Verification Mode
• 1,000 Users Capacity
• Non-Handed: Fits both Right-and-Left-Handed Door
• Sensor Light and Sound Indicators
• 2-3/4 inch Standard Backset