The Biometric Fingerprint Sensor is a high-quality high security capacitive fingerprint module.
It is capable of recording up to 200 fingerprints. 
 
Very fast scan speed and extremely accurate. Depending on the setting set up in the admin portal page, the fingerprint sensor can control both channels simultaneously or independently with one fingerprint. 
 
Under Light Mode, the sensor operates as a digital touch switch where anyone can touch the sensor and the lights will turn on or off. If a lock is used under this configuration, only a registered fingerprint will unlock the lock.
 
This sensor has an abrasive resistance of 1 million uses and can be whipped with isopropyl alcohol.
 
Specifications: 
Housing made of Stainless Steel 
Face diameter is 1.1 in
Threaded portion diameter is 0.98 in
Threaded portion Length is 0.65 in
Standard wire length is 3 ft. 8 ft extensions sold separate. 
 
Requirements:
Requires a drill bit of 25mm for Installation