Talon Locks MR60-1TB Indoor/Outdoor Biometric Padlock Fingerprint Capacity: 10 - Fingerprint Sensor: Semiconductor Slide - Fingerprint Resolution: 500 DPI - Scanner Field Size: 124 X 8 Pixels Gray Levels: 256 - False Rejection Rate (FRR): 1/100 - False Acceptance Rate (FAR): 1/1,000,000 - Allowable Swipe Rotation: 15 degrees Scan Speed: &lt;1 second - Match Cycle Time: &lt;10 m second - Dimensions: 1.1" X 2.4" X 5" - Alternate Unlock Method: USB Key unique to Lock Serial Number Weight: 12.5 Oz - Operating Temp Range: minus 10f to 150f - Power Requirements: 2 AAA Batteries (3 Volts) - Standby Current Drain: &lt;1 microA Cycle Current: 110 mA - Interface: LEDs and Tone - Water Resistant features: sealed compartments with screws locking battery and control access doors