Easy to Install Fingerprint Door Locks DIY. 
Fits both left and right Doors.
Opens with Fingerprint or password.
100% weatherproof (outside unit). 
Auto Locking the door after 5 second.
Fingerprint capacity : 40 users.

Detailed Description.
  Lock and release the door by one touch.       
  Auto-lock function when door closed.       
  Low battery alarm signal 1 week before.       
  Auto-lock function if the user don't open the      door within 7 seconds. 
  Alarm sound when unusual access, door breakage.       
  System is suspended for 1 minute when   unusual access
   (wrong password or Fingerprint) 
Warning sound if door left unclosed.
Never locked out even if batteries go flat, V9 emergency power supply would allow to operate the lock even if batteries flat. 

Technical 
  Password        4~12 digit number. 
  User capacity  40 Fingerprints.
Dimension
Size       Outside : 80.1W x181.1H x31Dmm 
Inside : 180.7W x91.5H x48D mm 
Door depth    40 ~ 50(mm) / more than 50 (mm) is option

Other description

Material        Zinc alloy
Colour          Silver. 
Temperature        -25 C ~ +60 C - 
Power        DC 6V(Alkaline AA Battery 4pcs) 
Duration (Battery)        
Average 3,000 accesses (The battery duration is about 10 months) - 
False Rejection Rate        0.01% 
False Acceptance Rate        0.001% or Less 
Sensor speed        Less than 1 second