Select Hinges 18 83" Geared Concealed Continuous Hinge Aluminum Heavy Duty Mechanical Keys Code and Bluetooth Fingerprint Sensor Code and Bluetooth Fingerprint Sensor 360° Live Capacitive Sensor Max of 120 fingerprints Code User defined 4 8 digit Max of 60 unique codes Keypad Backlight Yes User Capacity 60 Temporary Code or Ekey Yes Compatible Smartphone iOS and Android Remote Access Ultraloq Bridge WiFi adaptor included Mechanical Key Override Yes Micro USB Backup Power Interface Yes Working Voltage 6V (4 X Alkaline AA batteries) Working Temperature Outside lock body: 22 ̊F ( 30 ̊C) to 149 ̊F (65 ̊C) Up to 8 areas OSD Up to 8 OSDs Privacy Mask Up to 4 areas Image White Balance Auto Outdoor Fine Tune Sodium Lamp Locked Auto2 Digital noise reduction 2D 3D DNR Smart Illumination Support Flip Normal Vertical Horizontal 180° 90°Clockwise 90°Anti clockwise Dewarping Supported HLC Supported BLC Supported Intelligent Smart intrusion Prevention Cross Line Accessible Through Wire Call 1 800 878 6604 between Monday and Friday 9AM 6M EST